RANKABLE EPA COUNTY AQI
Galveston Air Quality - Texas
EPA county-level evidence, NDS comparative intelligence, and 20 connected ZIP profiles.
Median AQI
48.0
Maximum AQI
179.0
Good-air-quality days
54.32%
Average PM2.5
8.080 ug/m3
NDS Air Quality Score
13.31
U.S. County Rank
1,006 of 1,049
Percentile
3.91
Grade
F
County status
Galveston 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.