Niwot Real-time Air Quality Index (AQI) & Pollution Report - Air Matters

Niwot

Boulder County, Colorado

2026-04-21 06:00

CAQI (Europe)

Very Low

PM10

μg/m³

16

PM2.5

μg/m³

6.3

Weather

12℃

28%

9 kph

0 of 11

Historical Data

Data Sources

http://www.airnow.gov/

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