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

Longmont

Longmont, Colorado

2026-06-21 12:00

AQI (US)

Moderate

Pollutants|Pollens

PM2.5

μg/m³

12.9

Weather

16℃

90%

6 kph

1 of 11

Historical Data

Data Sources

http://www.airnow.gov/

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