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

Boulder

Boulder County, Colorado

2026-09-10 01:00

CAQI (Europe)

Low

Pollutants|Pollens

O3

μg/m³

113.6

PM10

μg/m³

35

PM2.5

μg/m³

4.2

Weather

21℃

41%

6 kph

0 of 11

Historical Data

Places included

Boulder - CU - 2102 Athens St.

Boulder Reservoir

Data Sources

http://www.airnow.gov/

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Cities Nearby

Eldorado Springs