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

Longmont

Longmont, Colorado

2025-12-10 03:00

CAQI (Europe)

Very Low

Pollutants|Pollens

PM2.5

μg/m³

1

Weather

11℃

41%

11 kph

0 of 11

Historical Data

Data Sources

http://www.airnow.gov/

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