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

Fitchburg

Worcester County, Massachusetts

2026-10-18 11:00

AQI (US)

Good

O3

μg/m³

55.7

NO2

μg/m³

35.7

PM2.5

μg/m³

2.7

PM10

μg/m³

3.7

CO

μg/m³

246.8

SO2

μg/m³

0.3

Weather

-2℃

86%

0 kph

0 of 11

Historical Data

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