Castle Rock Real-time Air Quality Index (AQI) & Pollen Report - Air Matters

Castle Rock

Douglas County, Colorado

2025-12-17 02:00

AQI (China)

Excellent

Pollutants|Pollens

PM10

μg/m³

14

PM2.5

μg/m³

3.5

Weather

6℃

35%

5 kph

0 of 11

Historical Data

Data Sources

http://www.airnow.gov/

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