Air Quality Index Report
This report provides Air Quality Index annual summary information, including maximum AQI values and the count of days in each AQI category. Read more about what's in this report.
Note: As of March 18, 2013, all PM2.5 AQI values and summaries provided by AirData reflect the recently updated AQI breakpoints. For a fact sheet on the revised PM2.5 standards and updated AQI breakpoints, visit: http://www.epa.gov/airquality/particlepollution/2012/decfsstandards.pdf