United States · Colorado
Air quality & tree cover in Colorado
Today's air quality (AQI) and satellite-measured tree cover for Colorado's cities, each over the same 1.2 mi (2 km) around its center.
Right now, Pueblo has the cleanest air of the 11 Colorado cities we track (AQI 31, Good), and Thornton the worst (AQI 63, Moderate). Fort Collins has the most tree cover, at 47.9% — #42 of 270 large US cities.
- Places tracked
- 11
- Average tree cover
- 28.8%US cities: 29.4%
- Worst air right now
- ThorntonAQI 63
Air quality today and tree cover across Colorado
| Denver | 47Good | 22.7% | 22.9K | #153 of 270 |
|---|---|---|---|---|
| Colorado Springs | 38Good | 28.1% | 6.0K | #126 of 270 |
| Aurora | 59Moderate | 28.3% | 5.3K | #124 of 270 |
| Fort Collins | 39Good | 47.9% | — | #42 of 270 |
| Lakewood | 45Good | 34.0% | — | #101 of 270 |
| Thornton | 63Moderate | 19.5% | 32.9K | #173 of 270 |
| Arvada | 39Good | 30.5% | — | #119 of 270 |
| Centennial | 59Moderate | 26.2% | 11.9K | #136 of 270 |
| Pueblo | 31Good | 19.1% | 33.8K | #176 of 270 |
| Greeley | 49Good | 20.9% | 28.3K | #164 of 270 |
| Boulder | 39Good | 39.5% | — | #79 of 270 |
Air quality is the US AQI from Open-Meteo / CAMS, refreshed hourly. Tree cover is measured within 1.2 mi (2 km) of each city center from Sentinel-2 imagery. The US greenness rank covers cities of 100,000+ people; see the full ranking.
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