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

Longmont

Boulder County, Colorado

2026-09-04 21:00

AQI (India)

Good

Pollutants|Pollens

PM10

μg/m³

19

PM2.5

μg/m³

2.7

Weather

34℃

18%

15 kph

0 of 11

Historical Data

Places included

Data Sources

http://www.airnow.gov/

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