St. Charles County Real-time Air Quality Index (AQI) & Pollen Report - Air Matters

St. Charles County

Missouri

2025-12-12 07:00

AQI (India)

Good

Pollutants|Pollens

PM2.5

μg/m³

13.6

PM10

μg/m³

13.5

NO2

μg/m³

10.5

Weather

1℃

84%

15 kph

0 of 11

Historical Data

Places included

Cottleville Township

Dardenne Township

Harvester Township

Lake St. Louis Township

Lindenwood Township

Rivers Township

Spencer Creek Township

St. Peters Township

Wentzville Township

Zumbehl Township

Data Sources

http://www.airnow.gov/

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Cities Nearby

Lake Saint Louis

Weldon Spring Heights