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St. Louis

Missouri, United States

2025-12-11 20:00
CAQI (Europe)
Low
Pollutants|Pollens
PM10
μg/m³
40
PM2.5
μg/m³
10.9
NO2
μg/m³
33
O3
μg/m³
27.9
CO
μg/m³
312.5
SO2
μg/m³
2
Weather
  • ℃
  • ℉
2℃
70%
3 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • CAQI (Europe)
  • Pollen
  • PM10
  • PM2.5
  • NO2
  • O3
  • CO
  • SO2
Places included
BLAIR STREET
AQI 37
BROADWAY (South)
AQI 11
Branch Street
AQI 43
Forest Park
AQI 19
Data Sources
http://www.airnow.gov/

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