RANKABLE EPA COUNTY AQI
Douglas Air Quality - Nevada
EPA county-level evidence, NDS comparative intelligence, and 10 connected ZIP profiles.
Median AQI
22.0
Maximum AQI
57.0
Good-air-quality days
90.91%
Average PM2.5
4.578 ug/m3
NDS Air Quality Score
87.80
U.S. County Rank
68 of 1,049
Percentile
93.61
Grade
A
County status
Douglas 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.