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

Saint Charles

South, Madison County

2026-05-01 14:00

CAQI (Europe)

Very Low

PM10

μg/m³

16.9

O3

μg/m³

35.6

PM2.5

μg/m³

4.3

Weather

9℃

64%

14 kph

1 of 11

Historical Data

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