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St. Louis, MO Weather
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Today

 Hourly Daily Radar MinuteCast Monthly Air Quality

Current Weather

5:42 AM

41°F
RealFeel® 40°
Air Quality Fair
Wind NNW 5 mph
Wind Gusts 11 mph
Cloudy More Details

Current Air Quality

Today

1/19

20
AQI

Fair

The air quality is generally acceptable for most individuals. However, sensitive groups may experience minor to moderate symptoms from long-term exposure.

Based on Current Pollutants

More Details

Learn more at Plumb Labs Logo

Current Air Quality

Our current air quality index (AQI) provides information on the quality of air that you are breathing and its impact on your health. There are at least six different pollutants that we track that impact the cleanliness of air and your health.

Allergy Outlook
Tree Pollen Low
Grass Pollen Low
Ragweed Pollen Low
Mold Low
Dust & Dander Very High
See Weekly Outlook

TODAY’S WEATHER FORECAST

1/19
37°Hi
RealFeel® 27°
Colder; breezy this afternoon

TONIGHT’S WEATHER FORECAST

1/19
8°Lo
RealFeel® -9°
Breezy and much colder

TOMORROW’S WEATHER FORECAST

1/20
20°/ 6°
RealFeel® 11°
Mostly sunny and colder

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  • O'Fallon, MO ;
  • Springfield, IL ;
  • St. Charles, MO
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