RANKABLE EPA COUNTY AQI
San Joaquin Air Quality - California
EPA county-level evidence, NDS comparative intelligence, and 39 connected ZIP profiles.
Median AQI
44.0
Maximum AQI
93.0
Good-air-quality days
65.93%
Average PM2.5
8.933 ug/m3
NDS Air Quality Score
40.01
U.S. County Rank
705 of 1,049
Percentile
32.63
Grade
D
County status
San Joaquin is part of the governed NDS rankable EPA county universe.
Connected ZIP codes
Methodology
EPA AQI evidence used here is county-derived. ZIP profiles connect to this evidence through the governed NDS geography relationship.