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

New Castle

Garfield County, Colorado

2026-01-21 03:00

AQI (US)

Good

Pollutants|Pollens

PM2.5

μg/m³

3

Weather

-2℃

46%

0 kph

0 of 11

Historical Data

Data Sources

http://www.airnow.gov/

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Cities Nearby

Glenwood Springs