Douglas, Nevada Air Quality
Douglas County, Nevada (NV)
↓ Improvingover 10 years
10-Year AQI Trend
The solid line shows the median AQI each year. The dashed line shows the 90th percentile (worst 10% of days). This area has seen measurable air quality improvement over the decade.
Air Quality Day Breakdown
Number of days per year in each EPA AQI category. Green = Good (AQI 0-50), Yellow = Moderate (51-100), Orange = Unhealthy for Sensitive Groups (101-150), Red = Unhealthy or worse (151+).
Year-by-Year Data
| Year | Median AQI | 90th Pct | Max AQI | Good Days | Moderate | Unhealthy+ | Pollutant |
|---|---|---|---|---|---|---|---|
| 2023 | 28 | 56 | 73 | 296 | 63 | 0 | PM2.5 |
| 2022 | 20 | 57 | 195 | 295 | 55 | 6 | PM2.5 |
| 2021 | 24 | 91 | 279 | 279 | 53 | 33 | PM2.5 |
| 2020 | 22 | 64 | 274 | 286 | 63 | 17 | PM2.5 |
| 2019 | 17 | 52 | 66 | 318 | 38 | 0 | PM2.5 |
| 2018 | 21 | 60 | 229 | 291 | 61 | 10 | PM2.5 |
| 2017 | 26 | 59 | 212 | 273 | 61 | 4 | PM2.5 |
| 2016 | 34 | 58 | 105 | 268 | 67 | 1 | PM2.5 |
| 2015 | 41 | 69 | 178 | 209 | 98 | 7 | PM2.5 |
| 2014 | 37 | 66 | 135 | 255 | 105 | 4 | PM2.5 |
What This Means for Douglas County Residents
Douglas, Nevada has received an Air Quality Grade of A (81/100) based on a decade of EPA monitoring data. The current median AQI of 28 falls in the "Good" range.
Encouragingly, air quality here has been improving, with the median AQI dropping by 9 points over the monitoring period. This trend suggests continued investment in emission controls and cleaner energy.
The primary pollutant affecting this area is Fine Particulate Matter (PM2.5). Over the past 5 years, this area has averaged 11 unhealthy air quality days per year — days when sensitive groups (children, elderly, those with respiratory conditions) should limit outdoor activity.