Established in 1969, it is an independent foundation specialized in most issues of air pollution on national and international levels. Near realtime data is available from the site. SmogtestLog - This site is a clearinghouse for information related to testing programs on pollutant emissions from mobile sources. It contains a searchable database or mobile source air pollution and air quality studies. State of the Air - The American Lung Association's air quality assessment from 1997 to 1999 with each state's information displayed for counties.
Site has information and links.
Title V Policy and Guidance Database - EPA has issued a number of policy and guidance documents that interpret Title V and its regulations. This is a free searchable database which contains EPA-issued policy and guidance documents on air operating permits. You can search the database online or download the database. Urban Transport and Environment - Information and analysis on urban transport and its impact on environment in India. Includes extensive statistics, announcements of conferences and events, and white papers on topics including air pollution in Delhi and vehicle emission control strategies.