GIS Map
RankingsOklahomaWorst air quality

Counties with the Worst Air Quality in Oklahoma

The top 21 of 21 Oklahoma counties on GIS Map, ranked by median Air Quality Index, counting only counties that host an EPA air monitor.

#CountyMedian AQI
1Oklahoma County
52
2Cleveland County
51
3Ottawa County
51
4Tulsa County
51
5Carter County
48
6Pittsburg County
48
7Adair County
47
8Dewey County
47
9Washington County
47
10McClain County
46
11Canadian County
44
12Creek County
44
13Johnston County
44
14Osage County
44
15Sequoyah County
44
16Comanche County
43
17Pontotoc County
43
18Jefferson County
42
19Kay County
42
20Mayes County
40
21Grant County
32

Source: EPA Air Quality Index annual summary (2024). All counties with data are ranked. Estimates carry margins of error.

Citing this page: GIS Map, “Counties with the Worst Air Quality in Oklahoma”, https://gismap.land/rankings/oklahoma/worst-air-quality-counties. Figures from EPA Air Quality Index annual summary (2024).

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