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Jefferson County

Missouri

2026-05-13 08:00
AQI (China)
Excellent
Pollutants|Pollens
O3
μg/m³
94.3
PM2.5
μg/m³
6.7
PM10
μg/m³
9
NO2
μg/m³
2.3
SO2
μg/m³
2.9
Weather
  • ℃
  • ℉
14℃
86%
13 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • O3
  • PM2.5
  • PM10
  • NO2
  • SO2
Places included
Arnold Township
AQI 30
Central Township
AQI 10
High Ridge Township
AQI 10
Imperial Township
AQI 10
Joachim Township
AQI 10
Meramec
AQI 10
Plattin Township
AQI 29
River View Township
AQI 10
Valle Township
AQI 29
Windsor Township
AQI 10
Data Sources
http://www.airnow.gov/

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