US Environmental Protection Agency
Epa: Smog: Who Does It Hurt? [Pdf]
Extensive site provides information on health effects of ground-level ozone-smog. Explains the air quality index and provides links to area ozone maps.
American Academy of Family Physicians
Family doctor.org: Air Pollution
This article provides information on the air pollution of the outdoors, and touches on certain topics such as: what is air pollution, what symptoms does air pollution cause, is air pollution bad for my health, and what can I do to...
Other
Aqmd: Health Effects of Air Pollution [Pdf]
Find out what polluted air does to the human body and the studies that have led to that conclusion. Information on air pollution disasters in history. Requires Adobe Reader. [PDF]
National Institutes of Health
National Institute of Health/environmental Diseases A2 Z
A cyber-dictionary of environmental diseases. Find all the air quality health problems here. Loaded with graphics and info. Printable version too.