RANKABLE EPA COUNTY AQI
Garfield Air Quality - Colorado
EPA county-level evidence, NDS comparative intelligence, and 8 connected ZIP profiles.
Median AQI
44.0
Maximum AQI
93.0
Good-air-quality days
76.49%
Average PM2.5
3.928 ug/m3
NDS Air Quality Score
52.92
U.S. County Rank
522 of 1,049
Percentile
50.10
Grade
C
County status
Garfield 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.