O'Fallon Township Real-time Air Quality Index (AQI) & Pollution Report - Air Matters

O'Fallon Township

St. Clair County

2025-12-21 01:00

AQC (Australia)

Good

PM10

μg/m³

16

PM2.5

μg/m³

3.6

Weather

3℃

63%

9 kph

0 of 11

Historical Data

Places included

Data Sources

http://www.airnow.gov/

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