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

Saint Louis

Saint-Louis, Saint-Louis Region

2026-10-18 00:00

AQI (US)

Moderate

PM2.5

μg/m³

19

PM10

μg/m³

31.8

Weather

28℃

85%

20 kph

0 of 11

Historical Data

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