Air Quality

Air quality monitoring in Fairfax County is conducted by the Fairfax County Health Department's Environmental Health Division. Monitoring stations within Fairfax County are polled and results are used in reports by Federal, State and Local agencies. Current topics are included in the following pages.

• Health Advisories/Air Quality Index - Explanation of the air quality index chart and links to Ozone and air quality alert sites.
• Ozone - What is Ozone, good and bad Ozone, who is at risk?
• Criteria Pollutants - EPA criteria pollutants: ozone , carbon monoxide , nitrogen dioxide, sulfur dioxide , lead , and particulate matter.
  
• Air Quality Standards - The National Ambient Air Quality Standards , as defined in Title 40 of the Code of Federal Regulations, Part 50.
  
• Reports- Air Quality Monitoring Annual Summaries- Summary reports from Fairfax County monitoring stations.
  
• Monitoring Stations Map - Site locations of Air Monitoring stations in Fairfax County.
  
• Asbestos- Naturally Occurring Asbestos in Fairfax County
  
• Radon - Radon gas can not be seen, smelled or tasted, but it may be a health hazard in your home.
  
  
• Additional Air Quality Information Sites
  Air Quality Management Efforts-Information on how Fairfax County is striving to improve regional air quality
  EPA Air & Radiation
  EPA Air Now
  Council of Governments Air Quality index
  Washington, DC Area Real-Time Ozone Display
  Clean Air Partners - Air Quality Resources
  Fun Link For Kids