RANKABLE EPA COUNTY AQI
Sheridan Air Quality - Wyoming
EPA county-level evidence, NDS comparative intelligence, and 9 connected ZIP profiles.
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.