Gives the addresses of five smog-check locations in Southern California. Service is said to take 15 minutes and no appointment is necessary.

GASP is a volunteer Pennsylvania group providing current news on smog issues. Read about its environmental and pollution-control projects.

Learn about the forest fires and pollution that are causing smog in Asia's rainforests. Features pictures, scientific reports, and news.

Government agency posts studies and reports regarding smog. Find out about ambient air quality and particulate matter levels.

Learn about how this variety of atmospheric pollution is produced, and how it is controlled.

Consumer guide helps California car owners manage the smog-check process, providing tips, evaluations and support, State Assistance programs and a smog station locator.

San Francisco Bay Area project encourages local businesses to participate in decreasing smog. Get news and tips on smog control.

Journalist David Helvarg examines the campaign by industrial polluters against EPA smog and emission controls. Text only 1997 article.