RANKABLE EPA COUNTY AQI
Tuolumne Air Quality - California
EPA county-level evidence, NDS comparative intelligence, and 14 connected ZIP profiles.
Median AQI
40.0
Maximum AQI
87.0
Good-air-quality days
83.33%
Average PM2.5
N/A
NDS Air Quality Score
62.59
U.S. County Rank
358 of 1,049
Percentile
65.84
Grade
C
County status
Tuolumne 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.