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St. Louis

Missouri, United States

2025-12-13 13:00
AQI (US)
Moderate
Pollutants|Pollens
PM2.5
μg/m³
18.2
PM10
μg/m³
37.5
O3
μg/m³
38.6
NO2
μg/m³
11.3
CO
μg/m³
250
SO2
μg/m³
0.9
Weather
  • ℃
  • ℉
-2℃
85%
15 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • PM10
  • O3
  • NO2
  • CO
  • SO2
Places included
BLAIR STREET
AQI 61
BROADWAY (South)
AQI 79
Branch Street
AQI 62
Forest Park
AQI 69
Data Sources
http://www.airnow.gov/

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