Australia & New Zealand, Clean Air Society of Australia & New Zealand
Austria, Austrian Society for Air & Soil Pollution Prevention
Azerbaijan, Ecological Society Ruzgar
Belgium, Royal Flemish Chemical Society - Environment & Safety Section
Brazil, Brazilian Association for Ecology and Water & Air Pollution Prevention
China, Chinese Society of Environmental Sciences
Croatia, Croatian Air pollution Prevention Association
Czech Republic, Czech Association of IUAPPA
European Federation of Clean Air and Environmental Protection Associations
Finland, Finnish Air Pollution Prevention Society
France, Association for the Prevention of Atmospheric Pollution
Germany, Commission on Air Pollution Prevention VDI & DIN - Standards Committee KRdL
Ghana, Green Earth Organisation
India, Indian Association for Air Pollution Control
Israel, Israel Society for Ecology & Environmental Quality Sciences
Italy, Air Pollution Study Committee (CSIA-ATI)
Japan, Japanese Union of Air Pollution Prevention Associations
S. Korea, Korean Society for Atmospheric Environment
Kuwait, Environment Public Authority
Malaysia, Environment Protection Society
Mexico, National Council of Industrial Environmentalists
Nepal, Ecological Society
The Netherlands, VVM-Section for Clean Air in The Netherlands
Peru, Peruvian Society for Clean Air & Environmental Management; Institute of Ecological Feasibility Studies
Romania, Romanian Society of Hygiene & Public health
Saudi Arabia, Meteorology & Environmental Protection Administration
Singapore, Environmental Engineering Society of Singapore (Clean Air Section)
Slovenia, Union of the Societies for the Protection of the Environment
South Africa, National Association for Clean Air
Sweden, Swedish Clean Air Society
Switzerland, Cercl'Air
Taiwan, Environmental Protection Society
Thailand, Asian Society for Environmental Protection
Tunisia, Tunisian NGO for Sustainable Development
Turkey, Turkish National Committee for Air Pollution Research & Control
United Kingdom, National Society for Clean Air & Environmental Protection, UK
United States & Canada, Air and Waste Management Association