Jefferson County Real-time Air Quality Index (AQI) & Pollen Report - Air Matters

Jefferson County

Missouri

2026-09-01 11:00

AQI (US)

Moderate

Pollutants|Pollens

PM2.5

μg/m³

18.2

PM10

μg/m³

19

O3

μg/m³

36.4

NO2

μg/m³

28.5

SO2

μg/m³

2.6

Weather

24℃

76%

8 kph

0 of 11

Historical Data

Places included

Arnold Township

Central Township

High Ridge Township

Imperial Township

Joachim Township

Plattin Township

River View Township

Windsor Township

Data Sources

http://www.airnow.gov/

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Cities Nearby

Olympian Village

Cedar Hill Lakes