AQMIS (Air Quality and Meteorological Information System) provides real time and historical air quality data.
How to use AQMIS (example):
1. Click AQMIS to start 2. Select "Air Quality Data" 3. Select either the Daily or Hourly Data tab\ 4. Select the particulate you wish to view (i.e. PM2.5) 5. Select a date 6. Select the County, Air Basin, or Part of the State 7. Select "Retrieve Data"