Air Quality Information
1 Hour Average
8 Hour Rolling Average
49 ppb
Nitrogen Dioxide
1 Hour Average
Particulate Matter PM2.5
24 Hour Rolling Average
2 µg/m 3
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Temperature 58 o F
Wind Speed 6 mph
Wind Direction E
Yesterday's Precipitation 0.01 in
Ideal Conditions
Quick Facts

  • The Casper station first started monitoring on March 1, 2013.
  • The monitoring objective for the Casper station is to monitor air quality, specifically ozone, and meteorological data in Wyoming’s largest city.
  • Monitoring for ozone in Casper was a finding in the 2010 Network Assessment.
  • On May 30, 2019, the AQD added continuous PM2.5 monitoring to the Casper Gaseous station.

Last Updated on 6/17/2019 1:17:33 AM