Air Quality Data

Reports

• 2008 AQMD Multiple Air Toxics Exposure Study - MATES III (final report)
• 1999 AQMD Multiple Air Toxics Exposure Study - MATES II (final report)
• 1997 Southern California Ozone Study (SCOS)  
   Note: This link leads to the California Air Resources Board SCOS pages.

Historic Ozone Trends (1976-Present)

Historical Air Quality by Year

Historical Air Quality by Month

The California Air Resources Board has current and historic data for the South Coast, as well as the whole state. Click the link to go the site.