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Jefferson County

Missouri

2026-05-18 21:00
AQI (India)
Moderately polluted
Pollutants|Pollens
O3
μg/m³
100.7
NO2
μg/m³
10.9
PM2.5
μg/m³
6.4
PM10
μg/m³
5
SO2
μg/m³
2.9
Weather
  • ℃
  • ℉
18℃
99%
19 kph
1 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • Pollen
  • O3
  • NO2
  • PM2.5
  • PM10
  • SO2
Places included
Arnold Township
AQI 102
Central Township
AQI 5
High Ridge Township
AQI 11
Imperial Township
AQI 11
Joachim Township
AQI 5
Meramec
AQI 5
Plattin Township
AQI 87
River View Township
AQI 5
Valle Township
AQI 90
Windsor Township
AQI 11
Data Sources
http://www.airnow.gov/

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