Casper Mobile

NOTICE The SO2 analyzer has been temporarily removed for repairs by the Wyoming DEQ-Air Quality Division's contractor. Hourly SO2 data is unavailable. This message will be removed, and the SO2 parameter will be enabled for public viewing when the instrument has been repaired and reinstalled.
Air Quality Information
1 Hour Average
28 ppb
8 Hour Rolling Average
31 ppb
Nitrogen Dioxide
1 Hour Average
9 ppb
Particulate Matter PM10
24 Hour Rolling Average
7 µg/m 3
Particulate Matter PM2.5
24 Hour Rolling Average
0 µg/m 3
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Temperature 45 o F
Relative Humidity 86 %
Wind Speed 5 mph
Wind Direction E
Yesterday's Precipitation 0.11 in
Ideal Conditions
Quick Facts

  • The Casper Monitor began operating November 2016.
  • The monitoring objective of the Casper Monitor is to characterize ambient air in populated areas near refineries.
  • The Casper Monitor is part of the Air Quality Division’s mobile monitoring fleet. The fleet consists of three (3) mobile monitoring stations which operate at chosen locations for approximately one year.
  • In response to citizen concerns and Air Quality Division data needs, the mobile monitoring fleet will be sited at each of Wyoming’s four refineries for at least one year to monitor SO2 in populated areas.

Last Updated on 5/26/2017 4:46:26 PM