RANKABLE EPA COUNTY AQI
Brazoria Air Quality - Texas
EPA county-level evidence, NDS comparative intelligence, and 26 connected ZIP profiles.
Median AQI
33.0
Maximum AQI
122.0
Good-air-quality days
84.77%
Average PM2.5
9.283 ug/m3
NDS Air Quality Score
55.18
U.S. County Rank
489 of 1,049
Percentile
53.24
Grade
C
County status
Brazoria 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.