Routt, Colorado Air Quality
Routt County, Colorado (CO)
→ Stableover 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).
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 | 13 | 23 | 58 | 348 | 5 | 0 | PM10 |
| 2022 | 13 | 25 | 43 | 356 | 0 | 0 | PM10 |
| 2021 | 15 | 31 | 68 | 347 | 7 | 0 | PM10 |
| 2020 | 14 | 29 | 68 | 353 | 5 | 0 | PM10 |
| 2019 | 13 | 27 | 137 | 353 | 2 | 1 | PM10 |
| 2018 | 15 | 30 | 51 | 354 | 1 | 0 | PM10 |
| 2017 | 15 | 31 | 62 | 333 | 9 | 0 | PM10 |
| 2016 | 15 | 26 | 60 | 343 | 9 | 0 | PM10 |
| 2015 | 13 | 32 | 58 | 357 | 7 | 0 | PM10 |
| 2014 | 15 | 35 | 65 | 334 | 12 | 0 | PM10 |
What This Means for Routt County Residents
Routt, Colorado has received an Air Quality Grade of A (80/100) based on a decade of EPA monitoring data. The current median AQI of 13 falls in the "Good" range.
The primary pollutant affecting this area is Coarse Particulate Matter (PM10). Over the past 5 years, this area has averaged 0 unhealthy air quality days per year — days when sensitive groups (children, elderly, those with respiratory conditions) should limit outdoor activity.