RANKABLE EPA COUNTY AQI
Garrett Air Quality - Maryland
EPA county-level evidence, NDS comparative intelligence, and 9 connected ZIP profiles.
Median AQI
41.0
Maximum AQI
80.0
Good-air-quality days
84.49%
Average PM2.5
6.214 ug/m3
NDS Air Quality Score
60.49
U.S. County Rank
392 of 1,049
Percentile
62.60
Grade
C
County status
Garrett 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.