Toronto, Ontario

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Toronto, Ontario Weather
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Today

 Hourly Daily Radar MinuteCast Monthly Air Quality Health & Activities

Current Weather

9:40 AM

63°F
RealFeel® 71°
RealFeel Shade™ 63°
Air Quality Fair
Wind SW 5 mph
Wind Gusts 8 mph
Mostly cloudy More Details

Current Air Quality

Today

5/21

26
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
Dust & Dander
Low
The risk of dust and dander allergy symptoms is low.
Arthritis
Moderate
The risk of experiencing weather-related arthritis pain is moderate. Stay hydrated and stretch to help avoid arthritis symptoms.
Sinus Pressure
Moderate
The risk of weather-related sinus pressure is moderate. Make sure you stay hydrated.
Common Cold
Moderate
The risk of catching a cold is moderate.
Flu
Low
The risk of catching the flu is low.
Migraine
Low
The risk of suffering from a weather-related migraine is low.
Asthma
High
The risk of asthma symptoms is high. Be sure to use HEPA filters in your home to cut down on indoor asthma triggers.
Fishing
Great
Fishing conditions are great. Find an area with less boat or human activity to avoid areas where fish are hiding.
Running
Good
Conditions for running are good. Be sure to wear sunscreen and UV-protective activewear.
Golf
Good
Conditions for golfing are good. Wear sunscreen while out on the course.
Biking & Cycling
Good
Conditions for cycling are good. Stay hydrated to make the most of your ride.
Beach & Pool
Poor
Conditions for a day at the beach or pool are poor. Stay out of the water if there is a chance of lightning. Only swim in water temperatures below 55 degrees if you have the proper gear.
Stargazing
Poor
Conditions for stargazing are poor.
Hiking
Fair
Conditions for hiking are fair. Wear the right gear and watch for slippery surfaces.
Lawn Mowing
Good
Conditions for lawn mowing are good. Alternating mowing patterns can help all areas of your lawn grow.
Composting
Great
Composting conditions are great. Ensure any food scraps are covered with dry leaves or wood chips to help avoid attracting pests.
Outdoor Entertaining
Good
Conditions for outdoor entertaining will be good. Make sure you have shade available, so guests do not overheat.
Air Travel
Good
Conditions for flying are good. Check the weather at your destination to see if that may cause a weather delay.
Driving
Good
Conditions for driving are good. Stay alert of any changes to the weather forecast.
Mosquitos
Low
The risk for mosquito activity are low.
Indoor Pests
Moderate
The risk for pest activity is moderate. Do not leave food unattended and clear counters of crumbs.
Outdoor Pests
Low
The risk for pest activity is low.
See all

TODAY’S WEATHER FORECAST

5/21
77°Hi
RealFeel® 81°
A shower and thunderstorm

Looking Ahead

Showers and thunderstorms around this afternoon through tomorrow morning

TONIGHT’S WEATHER FORECAST

5/21
57°Lo
RealFeel® 54°
Cloudy with a few showers

TOMORROW’S WEATHER FORECAST

5/22
64°/ 48°
RealFeel® 64°
A morning shower; cooler

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