RANKABLE EPA COUNTY AQI
Fairfax Air Quality - District of Columbia
EPA county-level evidence, NDS comparative intelligence, and 74 connected ZIP profiles.
Median AQI
44.0
Maximum AQI
124.0
Good-air-quality days
74.82%
Average PM2.5
7.031 ug/m3
NDS Air Quality Score
39.81
U.S. County Rank
709 of 1,049
Percentile
32.25
Grade
D
County status
Fairfax is part of the governed NDS rankable EPA county universe.
Connected ZIP codes
2004120069200702012020121201222012420151201522015320164201652017020171201722019020191201922019420195202062200322009220152202722030220312203222033220352203722039220412204222043220442206022066220672207922081220822210222103221062210722108221092211622121221222212422150221512215222153221582216022180221812218222183221852219922303223042230622307223082230922310223112231222315
Methodology
EPA AQI evidence used here is county-derived. ZIP profiles connect to this evidence through the governed NDS geography relationship.