The quicklook reports below are data summaries retrieved from the Air Quality System (AQS). AQS is maintained by U.S. EPA and contains ambient air pollution data collected by EPA, state, local, and tribal air pollution control agencies. The reports below are updated on a quarterly basis.
All Criteria Pollutants:
Ozone, SO2, NO2 and CO summaries from 1993 to 2023.
Fine & Course Particulates (PM10/PM2.5):
summaries from 1993-2023.