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St. Charles, IL

48° F
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St. Charles, IL Weather
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Today

 Hourly Daily Radar MinuteCast Monthly Air Quality Health & Activities

Current Weather

1:00 AM

48°F
RealFeel® 51°
Air Quality Fair
Wind NE 1 mph
Wind Gusts 0 mph
Partly cloudy More Details

Current Air Quality

Today

10/5

43
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

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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.

Health & Activities
See all
Tree Pollen
Low
The risk of tree pollen symptoms is low.
Ragweed Pollen
Moderate
The risk for ragweed pollen symptoms is moderate. Avoid walking in areas with tall grass or plants.
Mold
Low
The risk of mold allergy symptoms is low.
Grass Pollen
Moderate
The risk of grass pollen symptoms is moderate. Be sure to keep your windows and doors closed.
Dust & Dander
Low
The risk of dust and dander allergy symptoms is low.
Arthritis
Low
The risk of experiencing weather-related arthritis pain is low.
Sinus Pressure
Low
The risk of weather-related sinus pressure is low.
Common Cold
Low
The risk of catching a cold is low.
Flu
Low
The risk of catching the flu is low.
Migraine
Low
The risk of suffering from a weather-related migraine is low.
Asthma
Low
The risk of asthma symptoms is low.
Fishing
Fair
Fishing conditions are fair.
Running
Ideal
Conditions for running are ideal.
Golf
Ideal
Conditions for golfing are ideal.
Biking & Cycling
Ideal
Conditions for cycling are ideal.
Beach & Pool
Ideal
Conditions for a day at the beach or pool are ideal. Wear sunscreen and UV-protective clothing when spending time outdoors.
Stargazing
Good
Conditions for stargazing are good. Be sure to move away from city lights or turn off nearby lights, including indoor and outdoor lights.
Hiking
Ideal
Conditions for hiking are ideal. Plan your route with enough time to finish before sundown.
Lawn Mowing
Ideal
Conditions for lawn mowing are ideal. Try to water your grass at least one inch every week to keep it strong in case of a drought.
Composting
Fair
Composting conditions are fair. All materials you add should be shredded or broken into smaller pieces.
Outdoor Entertaining
Great
Conditions for outdoor entertaining will be great. Pay attention to the mosquito or pest forecast and prepare deterrents.
Air Travel
Ideal
Conditions for flying are ideal. Have a safe trip.
Driving
Ideal
Conditions for driving are ideal.
Mosquitos
Moderate
The risk for mosquito activity are moderate. Eliminate any standing water on your property where mosquitoes can breed.
Indoor Pests
High
The risk for pest activity is high. Replacing outdoor lights with yellow bug lights can attract less insects near your home.
Outdoor Pests
Extremely High
The risk for pest activity is extremely high. Eliminate standing water in rain gutters, buckets, and in tires where pests can breed.
See all

TODAY’S WEATHER FORECAST

10/5
75°Hi
RealFeel® 76°
A blend of sun and clouds

TONIGHT’S WEATHER FORECAST

10/5
49°Lo
RealFeel® 47°
Mostly cloudy with a shower

TOMORROW’S WEATHER FORECAST

10/6
71°/ 38°
RealFeel® 70°
A shower in the p.m.; breezy

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