Air Quality Rankings for Nevada 2026
Nevada has 9 cities with EPA air quality data. Nye, Nevada has the cleanest air with a 5-year average AQI of 20. Clark, Nevada has the highest AQI at 62.
| # | City | 5yr Avg AQI | Current AQI | Worst Pollutant | Trend | Grade |
|---|---|---|---|---|---|---|
| 1 | Nye, Nevada | 20 | 19 | PM10 | Worsening | B |
| 2 | Douglas, Nevada | 22 | 28 | PM2.5 | Improving | A |
| 3 | Elko, Nevada | 31 | 31 | PM10 | Worsening | C |
| 4 | Lyon, Nevada | 39 | 41 | Ozone | Improving | B |
| 5 | Churchill, Nevada | 41 | 43 | Ozone | Improving | B |
| 6 | Carson City, Nevada | 44 | 47 | Ozone | Stable | C |
| 7 | White Pine, Nevada | 44 | 44 | Ozone | Stable | C |
| 8 | Washoe, Nevada | 50 | 50 | Ozone | Stable | C |
| 9 | Clark, Nevada | 62 | 61 | Ozone | Stable | D |
Air quality data for Nevada is sourced from the EPA Air Quality System (AQS), which monitors outdoor air quality at thousands of stations nationwide.
Frequently Asked Questions
Nye, Nevada has the best air quality in Nevada with a 5-year average AQI of 20 and a grade of B.
Nevada has 9 cities with EPA air quality monitoring data in our database, covering multiple years of AQI measurements.
The Air Quality Index (AQI) measures five major pollutants: ground-level ozone, particulate matter (PM2.5 and PM10), carbon monoxide, sulfur dioxide, and nitrogen dioxide. Lower AQI values indicate cleaner air — 0-50 is "Good," while 150+ is "Unhealthy."
Cities ranked by 5-year average AQI (lower is better). Grades factor in average AQI, trend direction, unhealthy days, and dominant pollutant.