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NERAM V, Vancouver, 16-18 October 2006

This presentation by Dr. Michal Krzyzanowski highlights the WHO Air Quality Guidelines update and European and global perspectives on air quality policies. It covers the health effects of particulate matter (PM) and the recommended guidelines for PM2.5 and PM10. The launch of the AQG Global Update emphasizes the need to reduce pollution-related deaths. Turning science into policy objectives, the presentation addresses the importance of implementing air quality policies at various levels to combat pollution effectively.

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NERAM V, Vancouver, 16-18 October 2006

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  1. NERAM V, Vancouver, 16-18 October 2006 Science and policy for global air quality management Dr. Michal Krzyzanowski Regional Adviser, Air Quality and Health WHO Regional Office for Europe European Centre for Environment and Health, Bonn Office http://www.euro.who.int/air

  2. This presentation: • Science: WHO Air Quality Guidelines Update; • Policy: European (and global) perspectives.

  3. WHO Air Quality Guidelines: 20 years tradition • Air Quality Guidelines for Europe, 1987 • Air Quality Guidelines for Europe, 2nd edition, 2000 http://www.euro.who.int/air/activities/20050223_3 • Assessment of health aspects of air pollution in Europe, EC funded project 2003-5: • update of AQG for PM, O3 & NO2 recommended

  4. AQG Update: WHO Working Group Meeting, October 2005

  5. WHO AQG: Global update: Particulate matter: health effects • Consistent evidence on health effects of PM from cities in various regions of the world (both developed and developing countries); • Broad range of health effects (on respiratory and CV system); • Both children and adults are affected; • Adverse effects of PM after both short-term and long-term exposures; • No evidence to suggest a threshold – effects found even at PM concentrations close to a background;

  6. WHO AQG: Global update: Particulate matter • Recommended Guidelines • PM2.5: 10 g/m3 annual mean • 25 g/m3 24-hour mean • PM10: 20 g/m3 annual mean • 50 g/m3 24-hour mean

  7. WHO AQG: Global update: Particulate matter: rationale for the guideline value • Robust associations between PM2.5 and mortality in several studies with PM2.5 in the range 9-33 μg/m3; • No apparent thresholds but statistical uncertainty at PM2.5 below 13 μg/m3; • Annual mean of 10 μg/m3 should be below the mean for most likely effects; • Although adverse effects on health cannot be entirely ruled out below 10 μg/m3, its attainment is expected to significantly reduce the health risks; • AQG and IT-s for PM10 recommended in addition to PM2.5 guidelines in recognition of harmul effects of coarse PM (fraction between 2.5 and 10 μm).

  8. WHO AQG: Global update: Particulate matter - annual mean

  9. WHO AQG: Global update: Summary of updated AQG values AQG levels recommended to be achieved everywhere in order to significantly reduce the adverse health effects of pollution

  10. Policy: Launch of the AQG Global UpdateWHO HQ, Geneva, 5 October 2006 MAIL & GUARDIAN : WHO CALLS FOR IMPROVED AIR QUALITY 05 October 2006 09:13 Teresa Cerojano | Manila, Philippines INTERNATIONAL HERALD TRIBUNE : WHO CALLS FOR IMPROVED AIR QUALITY, SAYS POLLUTION KILLS 2 MILLION PEOPLE EACH YEAR The Associated Press THURSDAY, OCTOBER 5, 2006 FINANCIAL TIMES : HEALTH RISK OF AIR POLLUTION IS GLOBAL BURDEN, SAYS WHO By Frances Williams in Geneva Last updated: October 6 2006 03:00 The World Health Organisation yesterday launched stringent guidelines for air pollution that it said could cut pollution-related deaths in the dirtiest cities by as much as a sixth.

  11. Turning science into policy objectives 4th Ministerial Conference on Health and Environment, Budapest, June 2004 Children Health and Environment Action Plan for Europe Regional Priority Goal 3 (of 4) RPG 3. to prevent and reduce respiratory disease due to outdoor and indoor air pollution, thereby contributing to a reduction in the frequency of asthmatic attacks in order to ensure that children can live in an environment with clean air

  12. Turning science into policy objectives The Community’s Sixth Environmental Action Programme (6th EAP) called for the development of a thematic strategy on air pollution with the objective to attain “levels of air quality that do not give rise to significant negative impacts on, and risks to human health and the environment”.

  13. Thematic Strategy on Air Pollution: Council conclusions, 9 March 2006 2. WELCOMES the Commission’s Communication on a Thematic Strategy on Air Pollution as an important and well-founded analysis based inter alia on state of the art scientific advice, developed by the World Health Organisation … and CONSIDERS this Communication to be a direct response to the request made in the Sixth Environmental Action Programme; … ACKNOWLEDGES that, even with effective implementation of current policies, there will remain very significant adverse impacts on human health and the environment from air pollution in 2020 and IS CONVINCED that the magnitude of these impacts is such that additional action must be taken to combat air pollution in the EU; http://ec.europa.eu/environment/air/cafe/pdf/council_concl_them_strategy.pdf

  14. Issues in formulating air quality policy and action • Effects even at low pollution levels • Variety of pollution sources • Significant contribution of disperse sources • Contribution of local and remote sources of pollution to exposure Policy must involve various economic sectors and be implemented at local, regional and international levels,

  15. Thematic Strategy on Air Pollution: Council conclusions, 9 March 2006 … RECOGNIZES that a mix of national, Community, and international measures will be required to deliver those objectives in a cost-effective way and CALLS for better integration of air pollution issues into agricultural, energy and transport policies both at Community level and at national level; http://ec.europa.eu/environment/air/cafe/pdf/council_concl_them_strategy.pdf

  16. Transport related factors affecting health Explore synergy of AQ policy with other actions to reduce sector-specific health effects

  17. Turning science and policy into regulations

  18. COM (2005) 447: Proposal for a directive (Annex XIV: PM2.5) WHO AQG: 10 μg/m3 http://ec.europa.eu/environment/air/cafe/pdf/com_2005_447_en.pdf

  19. Annual average PM10 concentrations observed in selected cities worldwide AQG level

  20. WHO 2005 Guideline Value for Annual Average of PM10 = 20 µg/m3 PM10 concentration in selected cities of Asia (annual mean 2005) Source: C. Huizenga, CAI-Asia

  21. PM10 concentration in selected cities of Asia (annual mean 2005) WHO AQG: Interim Target 3 = 30 µg/m3 Source: C. Huizenga, CAI-Asia

  22. PM10 concentration in selected cities of Asia (annual mean 2005) WHO AQG: Interim Target 2 = 50 µg/m3 Source: C. Huizenga, CAI-Asia

  23. PM10 concentration in selected cities of Asia (annual mean 2005) WHO AQG: Interim Target 1 = 70 µg/m3 Source: C. Huizenga, CAI-Asia

  24. Science and policy for global air quality management:Conclusions • Science review – essential part of the policy making; Substantial part of it can be done globally; • Policy objectives needed for effective action on a local and international levels; • Feasibility and acceptance of actions needed to achieve the objectives are strong determinant of the decisions and regulatory actions; • Air pollution, and ist health effects, is a global problem. Its solution may require diverse management approaches, best fitted to the conditions in various regions. Thank You

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