Deschutes, Oregon Air Quality
Deschutes County, Oregon (OR)
↓ 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 | 74 | 413 | 273 | 66 | 26 | PM2.5 |
| 2022 | 23 | 62 | 205 | 282 | 77 | 6 | PM2.5 |
| 2021 | 25 | 61 | 403 | 298 | 47 | 20 | PM2.5 |
| 2020 | 23 | 61 | 1099 | 298 | 54 | 14 | PM2.5 |
| 2019 | 26 | 53 | 154 | 309 | 51 | 5 | PM2.5 |
| 2018 | 27 | 66 | 205 | 273 | 76 | 14 | PM2.5 |
| 2017 | 27 | 83 | 479 | 280 | 57 | 28 | PM2.5 |
| 2016 | 29 | 49 | 65 | 301 | 26 | 0 | PM2.5 |
| 2015 | 37 | 61 | 163 | 295 | 64 | 6 | PM2.5 |
| 2014 | 37 | 56 | 113 | 299 | 65 | 1 | PM2.5 |
What This Means for Deschutes County Residents
Deschutes, Oregon has received an Air Quality Grade of B (74/100) 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 14 unhealthy air quality days per year — days when sensitive groups (children, elderly, those with respiratory conditions) should limit outdoor activity.