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

New Castle

Garfield County, Colorado

2025-12-08 15:00

CAQI (Europe)

Very Low

Pollutants|Pollens

PM2.5

μg/m³

4

Weather

0℃

81%

2 kph

1 of 11

Historical Data

Data Sources

http://www.airnow.gov/

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Cities Nearby

Glenwood Springs