Powder River Basin - Belle Ayr

Air Quality Information
Nitrogen Dioxide
1 Hour Average
0 ppb
Particulate Matter PM2.5
24 Hour Rolling Average
3 µg/m 3
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Ideal Conditions
Quick Facts

  • The Belle Ayr Station began operating in January 2001.
  • The monitoring objective of the Belle Ayr Station is to characterize ambient air in the Power River Basin.
  • The Belle Ayr Station is part of the Air Quality Division’s Powder River Basin monitoring network. The network consists of two (2) stations: Antelope and Belle Ayr. Both stations collect NO/NO2/NOx and PM2.5 concentration data. .

Last Updated on 8/9/2020 3:18:38 AM