RANKABLE EPA COUNTY AQI
Mariposa Air Quality - California
EPA county-level evidence, NDS comparative intelligence, and 11 connected ZIP profiles.
Median AQI
45.0
Maximum AQI
90.0
Good-air-quality days
81.60%
Average PM2.5
N/A
NDS Air Quality Score
49.44
U.S. County Rank
575 of 1,049
Percentile
45.04
Grade
C
County status
Mariposa 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.