This page links to raw data and to reports routinely generated by the ambient air monitoring staff at APCD. See also air pollution maps.

Today's Data

Raw data that has not yet been through the quality-assurance process.

• Current Air Quality Index
• Metro AIR NET: today's air quality data
  and raw data since January 2001
• How to use Metro AIR NET 

Monthly reports

Summaries of quality-assured data.  All reports are in PDF format and will open in a new window.

• 2009
• October
• September
• August
• July
• June
• May
• April
• March
• February
• January
• 2008
• December
• November
• October
• September
• August
• July
• June
• May
• April
• March
• 3/13/2008
• 2/15/2008
• 1/17/2008
• 2007
• 12/10/2007
• 11/8/2007
• 10/9/2007
• 9/10/2007
• 8/13/2007
• 7/9/2007
• 6/19/2007
• 5/8/2007
• 4/9/2007
• 3/8/2007
• 2/6/2007
• 2006
• 1/5/2007
• 12/6/2006
• 11/6/2006
• 9/11/2006
• 8/8/2006
• 7/7/2006
• 6/9/2006
• 5/5/2006
• 4/10/2006
• 3/8/2006
• 2/3/2006 
• 2005
• December PM_2.5 Summary, 1/9/2006
• November PM_2.5 Summary
• October PM_2.5 Summary
• 10/7/2005 Ozone Summary (final for 2005); September PM_2.5 Summary
• 9/8/2005 Ozone Summary; August PM_2.5 Summary
• July 2005 PM_2.5 Summary
• 7/13/2005 Ozone Summary; June PM_2.5 Summary
• 6/9/2005 Ozone Summary; May PM_2.5 Summary
• 5/10/2005 Ozone Summary; April PM_2.5 Summary
• March PM_2.5 Summary
• February PM_2.5 Summary
• January PM_2.5 Summary
• 2004
  • December 2004 PM_2.5 Summary
  • November 2004 PM_2.5 Summary
  • 11/12/2004 Ozone Summary (final for 2004)
  • October 2004 PM_2.5 Summary
  • 10/8/2004 Ozone Summary
  • September 2004
  • 9/9/2004 Ozone Summary
  • August 2004 PM_2.5 Summary
  • 8/16/2004 Ozone Summary
  • July 2004 PM_2.5 Summary
  • 7/19/2004 Ozone Summary
  • June 2004 PM_2.5 Summary
  • 6/10/2004 Ozone Summary
  • May 2004 PM_2.5 Summary
  • 5/12/2004 Ozone Summary
  • April 2004 PM_2.5 Summary
  • 4/12/2004 Ozone Summary
  • March 2004 PM_2.5 Summary

Older Reports

• Ozone data summary for 2003
• Ozone data summary for 2002

See also:

• Air quality forecasts
• AIRNow: Current air monitoring data and maps from the US EPA
• Air Data: Recent and historical air monitoring data, maps and charts from the US EPA
• Air quality measurements influenced by exceptional events