RANKABLE EPA COUNTY AQI
Stafford Air Quality - Virginia
EPA county-level evidence, NDS comparative intelligence, and 10 connected ZIP profiles.
Median AQI
38.0
Maximum AQI
77.0
Good-air-quality days
95.15%
Average PM2.5
N/A
NDS Air Quality Score
75.05
U.S. County Rank
167 of 1,049
Percentile
84.16
Grade
B
County status
Stafford 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.