GIS Map
RankingsNevadaWorst air quality

Counties with the Worst Air Quality in Nevada

The top 9 of 9 Nevada counties on GIS Map, ranked by median Air Quality Index, counting only counties that host an EPA air monitor.

#CountyMedian AQI
1Clark County
64
2Washoe County
50
3Carson City
45
4Churchill County
44
5White Pine County
44
6Lyon County
42
7Nye County
31
8Elko County
23
9Douglas County
22

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 Nevada”, https://gismap.land/rankings/nevada/worst-air-quality-counties. Figures from EPA Air Quality Index annual summary (2024).

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