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

Longmont

Boulder County, Colorado

2026-06-25 16:00

AQI (China)

Excellent

Pollutants|Pollens

PM2.5

μg/m³

14.2

PM10

μg/m³

18

Weather

18℃

83%

5 kph

1 of 11

Historical Data

Places included

Data Sources

http://www.airnow.gov/

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