RANKABLE EPA COUNTY AQI
Crittenden Air Quality - Arkansas
EPA county-level evidence, NDS comparative intelligence, and 11 connected ZIP profiles.
Median AQI
41.0
Maximum AQI
112.0
Good-air-quality days
79.85%
Average PM2.5
8.235 ug/m3
NDS Air Quality Score
42.74
U.S. County Rank
671 of 1,049
Percentile
35.88
Grade
D
County status
Crittenden 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.