Websites on Air Pollution:

Environmental Quality Branch - BC Air Protection

Atlantic Region Air Quality Services

Air Pollution Index Environment Canada

US SITES:

• Air and Air Pollution
  Agency for Toxic Substances and Disease Registry
• Air Pollution
  National Institute of Environmental Health Sciences
• Air Pollution and Respiratory Health
  Centers for Disease Control and Prevention
• Air Pollution, Heart Disease and Stroke
  American Heart Association
• Air Quality Index
  AIRNOW.Gov
• Evaluating Exposures to Toxic Air Pollutants: A Citizen's Guide
  U. S. Environmental Protection Agency
• Environmental Management of Pediatric Asthma: Guidelines for Health Care Providers
  National Environmental Education Foundation
• Mobile Source Air Toxics
  U. S. Environmental Protection Agency
• Outdoor Air Quality
  American Lung Association®
• Respiratory Toxicity and Disease
  National Institute of Environmental Health Sciences
• Risk Assessment for Toxic Air Pollutants: A Citizen's Guide
  U. S. Environmental Protection Agency
• Six Common Air Pollutants
  U. S. Environmental Protection Agency
• The Plain English Guide to the Clean Air Act
  U. S. Environmental Protection Agency
• The National-Scale Air Toxics Assessment
  U. S. Environmental Protection Agency
• The State of the Air 2007
  American Lung Association®
• Toxic Air Pollutants
  U. S. Environmental Protection Agency