Questions and Answers on the new directive on ambient air quality and cleaner air for Europe

20 octobre 2021 Pierre Perrin-Monlouis

1) What is the issue?

Air pollution is caused by the emission to the atmosphere of certain substances which, alone or through chemical reaction, can damage human health and/or the environment.

Air pollution is both a local and a transboundary problem as emissions from one country can travel large distances in the atmosphere and cause adverse effects in other countries.

The single pollutants causing most damage to ecosystems, human health and materials are nitrogen oxides (NOx), sulphur dioxide (SO2), ammonia (NH3), ground level ozone and airborne fine dust, known as particulate matter (PM). Ground-level ozone and particulate matter are the pollutants that cause most damage to human health. Ozone is not emitted directly but is formed through the reaction of volatile organic compounds (VOCs) and nitrogen oxides in the presence of sunshine. Fine dust can be emitted directly to the air (primary particles) or can be formed in the atmosphere by certain gases (secondary particles) such as sulphur dioxide, nitrogen oxides and ammonia.

2) What harmful impact does air pollution have?

Human health. Air pollution has impacts on human health ranging from minor effects on the respiratory system to reduced lung function, asthma, chronic bronchitis and reduced life expectancy. Air pollution in the European Union, notably from fine particulate matter and ground-level ozone, causes the premature death of almost 370,000 citizens every year, reducing average life expectancy by an average of 9 months.

Acidification. Acid deposits caused by emissions of SO2, NOx and ammonia can damage forests, rivers, lakes and other ecosystems and also materials such as buildings and historical sites.

Eutrophication. Eutrophication is an excess input of nitrogen nutrients (nitrogen oxides and ammonia) which disturbs the structure and function of land-based and aquatic ecosystems. Excess nitrogen in terrestrial ecosystems can lead to a loss of biodiversity and nitrogen leaching into water courses.

Material damage. Buildings, including historical sites, are damaged by acidification and particulates.

3) How is the EU tackling air pollution?

There are a number of EU laws that regulate air pollution:

The Air Quality Framework Directive and its four daughter directives.[1] These laws set concentration limit values or target values for a range of air pollutants such as sulphur dioxide, nitrogen oxides, particulate matter (PM10), carbon monoxide, ozone, benzene, lead, and polyaromatic hydrocarbons. These laws require the monitoring of a number of air pollutants. If monitoring shows that the target values are exceeded Member States are obliged to set up, implement and report on abatement plans. The set of laws has been developed over time in response to emerging scientific knowledge. Some of the limit values have already entered into force – such as those on particulate matter – while others will only come into effect in 2010 (e.g. nitrogen dioxide).

The National Emission Ceilings Directive[2] sets national emission ceilings for sulphur dioxide, nitrogen oxides, ammonia and volatile organic compounds which must be achieved by 2010 through EU wide and national measures. The ceilings are reviewed periodically, with the next review foreseen for 2006.

Sectoral emission laws. A number of EU laws control emissions from different sources, including vehicles (EURO 1-6 passenger cars, EURO I-V) and non-road machinery, large combustion plants and industrial processes (the Integrated Pollution Prevention and Control Directive), the use of solvents and solvent-containing products and the sulphur content of liquid fuels.

EU Member States systematically exchange information on most effective abatement measures and coordinate their efforts in tackling transboundary air pollution. European Union funds can also be used to fight air pollution and in recent years significant EU research efforts have been conducted in this area.

4) Why is a new air quality directive needed and what are its main elements?

The Thematic strategy on air pollution (see below) emphasised the need to introduce new objectives for fine particles PM2.5. Experience with the implementation of regulations on other pollutants – such as particulate matter PM10 and nitrogen dioxide – has shown how important greater flexibility is in achieving environmental standards.

By merging and streamlining 4 directives and a Council decision in a single legal text and modernising reporting provisions, the proposal is in line with the Commission’s initiative on better regulation.

1) The three main elements of the Commission proposal consist in maintaining the existing limit and target values for 12 regulated pollutants while setting new objectives for PM2.5. The first objective is an annual PM2.5 target value of 25 micrograms/m3, to be attained where possible in 2010, and a limit value set at the same level, to be attained everywhere by 2015. These will ensure that EU citizens are not excessively exposed to fine particles.

The second objective is an exposure reduction target which requires that average concentrations in urban background areas be reduced by 20% between 2010 and 2020. Urban background concentrations are considered to be most representative of the population exposure. The exposure reduction target will trigger cost-effective measures delivering the objectives of the thematic strategy. The proposal also introduces flexibility in implementation. If a Member State can demonstrate that it is taking all appropriate measures in a specific zone, it could request, under conditions to be assessed by the Commission, extending the time the limit values are applied in the zone.

The final agreement between the Council and European Parliament maintains all the main elements of the original Commission proposal. It introduces a number of minor changes, such as modifying PM2.5 exposure concentrations into a sliding scale with smaller reduction targets for Member States with low or medium exposure and higher targets for those with high average exposure in 2010. It also introduces a new legally binding PM2.5 exposure concentration obligation based on average exposure. All Member States will have to ensure that their national average exposure is below 20 micrograms/m3 for the 3-year average 2013/14/15.

Negotiations between Council and Parliament show that there are uncertainties in actual fine particles concentrations in Europe which prevent setting more ambitious agenda at this time despite clear scientific evidence on their adverse health effects. The directive sets monitoring provisions and requires the Commission to conduct a mandatory review of the directive by 2013. The review will consider whether it is necessary to maintain or lower indicative PM2.5 limit values – such as setting them at 20 micrograms /m3 in 2020 – or modify the exposure reduction target with a view of making it mandatory.

Negotiation compromises include incorporating into the directive specific references to measures addressing sensitive segments of the population such as children.

5) Will air quality standards be relaxed under the proposed new directive?

No. On the contrary, all existing standards are kept and new ones set for PM2.5. This is in line with the recommendation of the World Health Organisation and the Commission’s own Scientific Committee on Health and Environmental Risk. They present evidence that strongly suggests that the smallest of the fine particulates (PM2.5) must be regulated. This is why the strategy and the accompanying proposal to revise the Ambient Air Quality Directive would for the first time introduce controls on human exposure to PM2.5 to complement the existing limits on coarse particulate matter (PM10). There is ample evidence to suggest that fine particles are more hazardous to human health than larger ones.

The proposal also envisages more comprehensive monitoring of certain pollutants, including PM2.5. This will allow greater understanding of this pollutant and make possible policy improvements in the future.

The proposal foresees that where Member States have taken all reasonable measures to achieve compliance but have been unable to achieve it in specific areas they could be allowed extra time to reach compliance provided that a plan is developed to ensure compliance at a later date. The introduced flexibility is linked to strict conditions to be assessed by the Commission. During this limited time the Member States will have to take all appropriate measures in a specific area to ensure compliance with the limit values as fast as possible. Compliance with the higher limit value plus margin of tolerance will have to be ensured in that area during this period.

According to the directive, natural contributions can be deducted when assessing compliance with the standards. This provision extends the option which already exists under the current legislation to exclude natural events such as the trans-boundary movement of Saharan sand particles. These events cannot be controlled.

6) How are Member States ensuring that EU standards are respected?

The directive defines minimum requirements for air quality assessments – through monitoring and modelling – that provide a good indication of air quality concentrations throughout Member States’ territory. Where thresholds are exceeded Member States are expected to act. The selection of measures to use is the prerogative of Member States. They usually contain a mix of national emission reduction strategies and regional and local measures tailored at specific local conditions. Transport and domestic heating are often addressed in urban areas. In order to be effective, the measures need to be timely, integrated, well developed and properly implemented. They are bundled within ‘air quality plans’ that require public participation when developed.

There are number of EU measures that support effective emission reductions from road transport and individual large point sources such as industrial installations. These are important to ensure that standards are respected.

The directive is accompanied by a Commission declaration outlining the progress in developing and adopting further EU measures (see description of the thematic strategy).

7) Are any changes foreseen in the implementation of air quality legislation?

The Commission will continue to disseminate best practice when it comes to implementing ambient air quality legislation, and will continue to host workshops and develop guidance for Member States, working jointly with the Member States under the umbrella of the committee established under the directive to facilitate effective pollution abatement where needed.

The Commission will also institute infringement proceedings against Member States where legislation is not correctly implemented according to the Treaty.

Several infringement procedures are currently under way for failures to communicate air quality plans. Infringements were also launched in June 2007 against 5 Member States that exceeded the SO2 limit values in 2005 (IP/07/1537).

The important novelty in the implementation process is the possibility to request the time extension on the application of the limit values. The Commission is already preparing for the task by ensuring that adequate resources are available for dealing with the requests, and organising technical support in order to be able to objectively analyse whether the conditions are fulfilled. The Commission is also organising meetings with the Member States, under the committee set under the ambient air quality legislation, to ensure that the requests are complete and delivered in an efficient manner. The first such meeting was organised for December, with a further meeting planned when the directive enters into force.

PM10 limit values are currently being exceeded in more than 370 zones. After the new Directive enters into force, the Commission will allow a certain ‘grace’ period of several months when the Member States can apply for the time extensions for the specific zones.

While the request for the time extension in a specific air quality zone is being assessed, the Commission does not plan to launch the infringement procedure against a Member State regarding the exceedance of the limit value in that particular zone.

The Commission plans to periodically horizontally address the remaining zones still in exceedance, and launch the infringement procedures if appropriate. Further infringements may then also be launched on the basis of a final objection by the Commission to the application for the time extension.

8) What is a Thematic Strategy?

The Sixth Environmental Action Programme (6EAP), which was adopted by the European Parliament and Council in 2002 and runs until 2012, requires the Commisson to prepare Thematic Strategies covering seven areas: air pollution, the marine environment, waste prevention and recycling, sustainable use of resources, soils, pesticides and the urban environment.

The Thematic Strategies represent the next generation of environment policy, taking a medium-term perspective to around 2020. As their name suggests they work with themes, rather than with specific pollutants or economic activities as has been the case in the past. The strategies set clear environmental objectives, for instance in terms of air quality, and, on this basis, seek to identify the most appropriate instruments to achieve these objectives.

Each strategy is founded on thorough research and science, and follows an in-depth review of existing policy and wide-ranging stakeholder consultation. The aim has been to harmonise the seven strategies and integrate them with existing sectoral policies, the Lisbon Strategy and the Sustainable Development Strategy. Each Thematic Strategy will thus help achieve the long-term goal of environmental sustainability while contributing to the Lisbon goals of enhancing growth and employment and promoting eco-innovation.

The strategies are also an exercise in Better Regulation, simplifying and clarifying legislation where it already exists and proposing light framework legislation where new laws are deemed necessary.

The Thematic Strategy on Air Pollution was adopted by the Commission in September 2005 jointly with the proposal for the new ambient air quality Directive (IP/05/1170).

9) Why is a Thematic Strategy on air pollution needed?

Air pollution in the EU, notably from fine particulate matter and ground-level ozone, presently causes the premature death of almost 370,000 citizens every year and reduces average life expectancy by an average of 9 months. In the most polluted areas, the loss of life expectancy may be up to two years. Altogether, air pollution robs Europe’s population of 3.6 million years of life annually, as well as causing increased hospital admissions and medical costs. The human health damage that air pollution causes is estimated to cost the European economy between €427 and 790 billion per year[3].

Air pollution also has a significant environmental impact through the damage it causes to crops and ecosystems that support life, such as forests and fresh water bodies. While no agreed methodology exists yet for quantifying the cost of this damage in monetary terms, it is clear that it is substantial.

Air pollution does not stop at national borders and therefore needs to be tackled at European level and indeed through international cooperation at hemispheric level as well.

Action taken at EU, national and international levels to reduce air pollution since the 1970s has steadily improved the general situation, but even if all current policies are fully implemented, particulate matter and ground-level ozone will still be causing 290,000 premature deaths a year in 2020.

This equates to the loss of 2.47 million life years. The monetised cost of this damage to human health is estimated at €189-609 billion per annum in 2020. Damage to ecosystems will also remain considerable.

This human and environmental toll is unacceptable. Additional measures are therefore needed to reduce air pollution further in cost-effective ways.

The need for further action was recognised in the EU’s Sixth Environmental Action Programme (6EAP). The 6EAP sets the ambitious objective of attaining “levels of air quality that do not give rise to significant negative impacts on and risks to human health and the environment.” The Programme requires the Commission to propose a Thematic Strategy on air pollution this year

10) What does the Strategy aim to achieve?

Analysis done under the Commission’s Clean Air for Europe (CAFE) stakeholder programme, set up in 2001, has concluded that it will not be possible to fully reach the 6EAP’s objective by 2020 of addressing all significant health and environmental impacts of air pollution, even if all measures to improve air quality that are technically possible were taken with no regard to their cost. As an important step towards achieving the 6EAP objective in the longer term, the Strategy thus sets specific interim objectives for reducing air pollution impacts by 2020. On the basis of careful analysis, these interim objectives have been chosen from a range of possible options because they offer the best balance between benefits and costs. The Strategy has a specific focus on reducing human exposure to particulate matter, which is a major health hazard.

11) What benefits will the Strategy bring, and how much will it cost?

The Strategy aims to provide the most cost-effective solution for reaching the interim objectives chosen. This would bring major benefits for human health and the environment worth tens of billions of euros in annual cost savings to the EU economy, plus potential benefits for EU competitiveness through the development of innovative cleaner technologies.

The health benefits alone of the Strategy are valued at between €42 and 135 billion per year,[4] or between 0.30% and 1.0% of EU-25 GDP in 2020. Premature deaths due to particulate matter would be reduced by 63,000 in 2020 compared with the business as usual scenario. This is equivalent to saving 560,000 life years per year. Lower income groups are expected to benefit more as they are generally exposed to higher levels of air pollution than those in higher income groups.

There is no agreed methodology for expressing environmental benefits in monetary terms, but they would be substantial. The forest area affected by acidification in 2020 would be halved compared with the business as usual scenario and the total area of ecosystems affected by eutrophication reduced by 27%.

There would also be benefits in other environmental areas. Air pollution policy dovetails with climate change policy, and reductions in air pollution lead to improvements in soil and water quality.

The cost of the Strategy is estimated at €7.1 billion annually in 2020. This is equivalent to approximately 0.05% of EU-25 GDP in 2020, and is more than five times below the lowest projected value of the Strategy’s health benefits alone.

12) Will there be a cost if we take no action?

Yes, and a heavy one. Taking no action means our economies would bear greater costs from impaired human health and higher environmental damage than would be the case with the Strategy. The cost would be €42-135 billion per year by 2020 in foregone health benefits alone. This is without counting the environmental damage to hundreds of thousands of square kilometres of forests and other ecosystems.

13) How can we be sure about these cost and benefit calculations?

A comprehensive impact assessment has been prepared for both the Strategy and an accompanying proposal to consolidate EU air quality legislation in a single directive. It is based on the best available science and economics. Both the cost-effectiveness methodologies and the cost-benefit methodologies were peer-reviewed independently.

n the benefits side, the most cautious methods for estimating health benefits have been used. Due to the lack of an agreed methodology, environmental benefits have not been costed and do not appear in the benefit figures.

14) Has anything changed since 2005?

Since 2005 further scientific evidence had confirmed the adverse effects of air pollution. Further modelling work is also being performed as part of the impact assessment of the revision of the national emission ceilings directive scheduled for adoption in the first half of 2008. The modelling confirms strong interlinkage between the climate change and air pollution related measures. When coordination possibilities are properly exploited, new ambitious targets addressing climate change contribute also to faster and effective air pollution abatement.

15) What do Europe’s citizens think about air pollution?

Air pollution is high on the list of European citizens’ environmental concerns. In a special 2005 Eurobarometer survey, 45% of respondents said they were worried about air pollution. The same proportion thought that EU-level was most suited to finding solutions to environmental problems. Another Eurobarometer poll, on the Lisbon agenda, showed that a large majority (64%) of the public consider environmental protection an incentive for innovation and not an obstacle to economic performance.

16) How does the Strategy affect EU competitiveness?

Pursuing the interim objectives of the Strategy is not expected to hamper Europe’s competitiveness in comparison to other industrialised countries such as the USA and Japan, as these countries have similar or more stringent air pollution policies in place.

Indeed, further reducing damage to human health and the environment could help improve the EU’s competitiveness. It can be expected to stimulate innovation in less polluting and more resource-efficient technologies. By focusing research and development on such technologies the EU can secure a strong competitive position since other countries will eventually need to adopt them too.

It is clear that China, South Korea and some other developing countries are increasingly concerned about air pollution and are looking for policy and technical inspiration from Europe. For instance both Korea and China have adopted the “Euro III” vehicle emission standards developed by the EU and are planning to adopt the “Euro IV” standards just a couple of years later than the EU itself.

The costs of the strategy are not expected to have any impact on net employment. Production lost through ill health would be reduced since improvements in air quality improve the health of employees too. This means a slight increase in labour force participation, which is one of the aims of the Lisbon Strategy.

17) Which pollutants does the Strategy address?

The Strategy focuses on reducing emissions of five primary air pollutants plus ground-level ozone, a secondary pollutant whose impacts on human health and/or the environment need to be further controlled

Particulate matter. ‘Primary’ particulates are emitted directly into the atmosphere from certain processes. ‘Secondary’ particulates are emissions of pollutants, such as sulphur dioxide (SO2), nitrogen oxides (NOx) and ammonia (NH3), which are altered through chemical reaction in the atmosphere and add to the mass of particulates. PM10 refers to particulates with a diameter of less than 10 micrometers, comprising the ‘coarse’ fraction. PM2.5 refers to those with a diameter of less than 2.5 micrometers, comprising the ‘fine’ fraction. Fine particulates are strongly correlated with harmful effects on human health as they can penetrate into sensitive areas of the lungs. There is insufficient evidence to determine a safe level of human exposure to particulates and in practical terms all increases in PM levels should be regarded as harmful.

Ground-level ozone. This secondary pollutant is formed when NOx and volatile organic compounds (VOCs) react chemically in the presence of sunlight, making it most prevalent in summer and in southern Europe. In contrast to the ozone layer in the stratosphere which protects us from harmful ultraviolet radiation, ozone at ground level is harmful both to human health and ecosystems. Human exposure to ozone is associated with acute mortality as well as non-fatal effects on lung function. There is insufficient evidence to determine a safe level of exposure to ozone. Regarding the environment, ozone damage is the most serious regional air pollution problem affecting forests, vegetation and agricultural crops in Europe.

Ammonia (NH3). This gas is emitted mainly from animal wastes and following the application of fertilisers to agricultural land. It contributes to acid deposition, eutrophication, the formation of secondary particulates and human health impacts.

Nitrogen oxides (NOx). These comprise the gases nitric oxide (NO) and nitrogen dioxide (NO2). NO is formed predominantly in high temperature combustion processes and can subsequently be converted to NO2 in the atmosphere. NOx contributes to acid deposition, eutrophication, the formation of ground-level ozone and human health impacts.

Sulphur dioxide (SO2). This gas is formed from the combustion of fuels containing sulphur, such as coal and oil. Sulphur dioxide contributes to acid deposition and harms human health.

Volatile organic compounds (VOCs). Volatile carbon-based chemical compounds are emitted to the atmosphere from natural sources and from human activities, such as the use of solvents, paints and varnishes, the storage of transport fuels and their use at filling stations, and car exhaust emissions. VOCs are a key component in the formation of ground-level ozone.

Current air quality legislation also covers benzene, carbon monoxide, polycyclic aromatic hydrocarbons and the heavy metals arsenic, cadmium, mercury and nickel. Most of these pollutants have been regulated very recently and no further action to reduce their emissions is proposed for the time being.

18) Which sectors will be affected?

Different economic sectors make different contributions to air pollution and thus also to the solutions envisaged under the Strategy, which address the following sectors and emissions:

Agriculture (arable and livestock): ammonia emissions

Transport (road, shipping, aviation): particulate matter, volatile organic compounds, nitrogen oxides, sulphur dioxide

Industry (road vehicle manufacturing, fuel production and conversion, filling stations, makers and operators of small combustion plants): nitrogen oxides, particulates, volatile organic compounds, sulphur dioxide.

19) What other actions are foreseen under the Strategy?

A range of other actions involving various sectors will need to be taken to reach the Strategy’s interim objectives:

National Emission Ceilings Directive (NECD): The Commission intends to propose revised national emissions ceilings in line with the interim objectives of the Strategy in the first half of 2008.


Small combustion plants: This increasingly important emissions source is at present not regulated at Community level. The Commission will examine whether the Integrated Pollution Prevention and Control (IPPC) Directive[5] should be expanded to cover combustion sources below 50 MWth. The Commission proposal for IPPC revision is still expected this year. Harmonised technical standards will be developed for domestic combustion appliances and their fuels. If feasible, smaller residential and commercial buildings could be included in an extended directive on energy efficiency.

VOC emissions from fuel stations: Given the role of VOCs in the formation of ground-level ozone, the Commission will examine the scope for reducing VOC emissions from vehicle refuelling at filling stations.


Road vehicle emissions: Proposals for further tightening emission limits for new cars and vans EURO 5/6 have already been adopted by the Council and the European Parliament (IP/06/1800). The Commission proposal for heavy duty vehicles EURO VI will be issued by the Commission this year.

Shipping: Emissions to air of SO2 and NOx from ships are a serious concern as they are expected to exceed those of land-based sources in the EU by 2020. The Commission has developed an EU strategy on ship emissions and a directive on sulphur in marine fuel has been agreed. In the International Maritime Organisation, the Commission will propose to strengthen current air emission standards. In the absence of an agreement in the IMO within 2008, the EU will consider adopting its own standards.

Agriculture: Cattle farming, the pig and poultry sector and mineral fertilisers account for the vast majority of ammonia emissions. While recent reform of the Common Agricultural Policy (CAP) should bring about some reduction in emissions, these improvements may prove insufficient to meet the objectives of the Strategy. Priority will be given to measures and policies which reduce “excessive” nitrogen use in agriculture and which simultaneously address nitrates in water as well as ammonia and nitrous oxide emissions to air. Such policies could address the nitrogen content of animal feedstuffs and excessive use of nitrogen fertilisers.

Structural Funds: The Structural Funds are co-financing many measures in the Member States and regions that contribute to improved air quality. The reform of the cohesion policy for 2007-2013 includes proposals that will help meet the objectives of the air pollution Strategy. Examples are support for sustainable transport systems, sustainable and cleaner energy supplies and the rehabilitation and reuse of derelict land.

International cooperation: As the regional and global background contribution to European air pollution grows, the Community must work on building an international consensus around the importance of hemispheric pollution. In cooperation with the Member States, the Commission is jointly leading with the US a new task force on hemispheric air pollution under the UNECE Convention on Long-Range Transboundary Air Pollution (CLRTAP).

20) What is the timetable for implementation of the Strategy?

The Strategy is being implemented over the next several years. The declaration accompanying the agreement on the air quality directive outlines the latest progress on the development and the adoption of further Community measures.

Further analytical work on ship emissions will be undertaken with a view to submitting proposals to the IMO in 2006.

The Strategy will be reviewed at periodic intervals, with the first review due to take place in five years. The results will feed into the review of the 6EAP.

21) Will the Strategy contribute to the Better Regulation initiative?

Yes. As noted above, the Strategy offers an excellent opportunity to make Better Regulation a reality by consolidating all existing EU air quality legislation in a single directive. This will clarify and simplify ambiguous provisions, repeal those which have become obsolete and modernise and reduce reporting requirements, removing some of the administrative burden on Member States. This consolidation considerably lightens the new Ambient Air Quality Directive, which now has 32 articles instead of 67 and 17 annexes instead of 32. This will make the legislation clearer and easier to understand, facilitating implementation in the Member States.

22) Has the Commission consulted widely on the Strategy?

Broad stakeholder participation has been constant throughout the process. The Strategy was developed under the Clean Air for Europe (CAFE) programme, which the Commission set up in 2001 to develop, collect and validate scientific information about air pollution with the aim of reviewing current policies and assessing progress towards long-term objectives.

The CAFE Steering Group provided the main forum for stakeholder participation. The Steering Group brings together representatives of the EU Member States, the World Health Organisation, several industry sectors – energy production, petroleum, industries with emissions of volatile organic compounds (VOCs), the automotive sector and general industry[6], environmental NGOs[7], European Economic Area countries, the European Environment Agency, the Joint Research Centre and the CLRTAP. The Steering Group has met 14 times since the CAFE programme started. Altogether more than 100 stakeholder meetings have been held under the CAFE programme.

Furthermore, a two-month public consultation on the objectives and content of the Strategy was conducted on the internet in December 2004 and January 2005. This generated 11,578 responses, over 10,000 of which came from private individuals. Respondents indicated an increased desire for protection from air pollution, a willingness to pay for reduced risks and a clear need for better public information.

23) How can we be sure the Strategy has a sound scientific basis?

An overriding principle of the CAFE programme has been to ensure that analyses are conducted on the basis of the best available information.

The World Health Organisation provided its best information on the impacts of air pollutants on health. The WHO’s systematic review of air pollution health aspects in Europe collected the most recent information from health impact research, evaluated this and held meetings with nationally nominated experts to reach consensus on the conclusions. Industrial organisations also nominated experts to take part in the process.

Concerning environmental damage, the latest information from the scientific centres of the Convention on Long-Range Transboundary Air Pollution was used.

The main analytical tools used – the RAINS integrated assessment model and the cost-benefit methodology – were both subject to independent peer-review before being used to develop and analyse policy scenarios.

Full details of the Strategy are available at

See also



[1] Council Directive 96/62/EC of 27 September 1996 on ambient air quality assessment and management (framework directive)

Council Directive 1999/30/EC of 22 April 1999 relating to limit values for sulphur dioxide, nitrogen dioxide and oxides of nitrogen, particulate matter and lead in ambient air (1st daughter directive)

Directive 2000/69/EC of the European Parliament and of the Council of 16 November 2000 relating to limit values for benzene and carbon monoxide in ambient air (2nd daughter directive)

Directive 2002/3/EC of the European Parliament and of the Council of 12 February 2002 relating to ozone in ambient air (3rd daughter directive)

Directive 2004/107/EC of the European Parliament and of the Council of 15 December 2004 relating to arsenic, cadmium, mercury, nickel and polycyclic aromatic hydrocarbons in ambient air (4th daughter directive)

[2] Directive 2001/81/EC of the European Parliament and of the Council of 23 October 2001 on national emission ceilings for certain atmospheric pollutants. [3] See [4] There are two distinct ways to calculate the damage to the economy caused by premature mortality. The lower figure is based on the median of the value of a life year lost (VOLY) while the higher figure is based on the mean value of a statistical life (VSL). [5] Council Directive 96/61/EC of 24 September 1996 concerning integrated pollution prevention and control [6] Industrial associations or companies involved include UNICE, EURELECTRIC, CEFIC, CONCAWE, EUROPIA, ACEA, EUROMETAUX, CEMBUREAU and COPA. [7] Environmental NGOs involved have included the European Environmental Bureau (EEB), the Swedish NGO Secretariat on Acid Rain and the European Federation for Transport and Environment.
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