National Data System · Environmental Intelligence · EPA Air Quality
National Data System Air Quality Intelligence
RANKABLE EPA COUNTY AQI

Sheridan Air Quality - Wyoming

EPA county-level evidence, NDS comparative intelligence, and 9 connected ZIP profiles.

Compare this County
Median AQI
33.0
Maximum AQI
70.0
Good-air-quality days
84.57%
Average PM2.5
5.680 ug/m3
NDS Air Quality Score
74.83
U.S. County Rank
169 of 1,049
Percentile
83.97
Grade
B

County status

Sheridan is part of the governed NDS rankable EPA county universe.

Methodology

EPA AQI evidence used here is county-derived. ZIP profiles connect to this evidence through the governed NDS geography relationship.