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

Saint Charles

South, Madison County

2026-06-22 15:00

AQI (US)

Moderate

PM2.5

μg/m³

11.2

O3

μg/m³

45.4

PM10

μg/m³

5.3

Weather

19℃

84%

12 kph

1 of 11

Historical Data

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