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Air quality in Toronto

Air quality index (AQI) and PM2.5 air pollution in Toronto

Last update at 17:00, Apr 28 (local time)

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Toronto Air Quality Map

Real-time Toronto air pollution map

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	Index	Low
	Tree pollen	Low
	Grass pollen	None
	Weed pollen	None

Source: tomorrow.io

See pollen forecast

Weather

What is the current weather in Toronto?

Weather	Broken clouds
Temperature	59°F
Humidity	90%
Wind	3.4 mp/h
Pressure	30 Hg

Air pollution has cost an estimated980 deaths*in Toronto in 2024Find out more*Air pollution also cost approximately $1,500,000,000 USD in Toronto in 2024.

live aqi city ranking

Real-time Canada city ranking

#	city	US AQI
1	Oshawa, Ontario	64
2	Toronto, Ontario	63
3	London, Ontario	45
4	Edmundston, New Brunswick	41
5	Montreal, Quebec	41
6	Burlington, Ontario	40
7	Mississauga, Ontario	38
8	Calgary, Alberta	37
9	Hamilton, Ontario	37
10	Fredericton, New Brunswick	36

17:00, Apr 28 (local time)

SEE WORLD AQI RANKING

3D animated air pollution map

live Toronto aqi ranking

Real-time Toronto air quality ranking

#	station	US AQI
1	Wolfrey Avenue	75
2	111Pacific Avenue	73
3	Greenwood & Danforth	72
4	Ursula Franklin Street	69
5	Markham Street	68
6	Pacific & Glenlake	65
7	McLennan Physical Laboratories	63
8	Queens Quay West	62
9	Spadina Avenue	62
10	Tweedsmuir Avenue	59

17:00, Apr 28 (local time)

SEE WORLD AQI RANKING

US AQI

live AQI index
Moderate

Overview

What is the current air quality in Toronto?

Air pollution level	Air quality index	Main pollutant
Moderate	63 US AQI	PM2.5

Pollutants		Concentration
PM2.5		17.6µg/m³

PM2.5

x3.5

PM2.5 concentration in Toronto is currently 3.5 times the WHO annual air quality guideline value

Health Recommendations

What is the current air quality in Toronto?

	Sensitive groups should reduce outdoor exercise
	Close your windows to avoid dirty outdoor air GET A MONITOR
	Sensitive groups should wear a mask outdoors GET A MASK
	Sensitive groups should run an air purifier GET AN AIR PURIFIER

Forecast

Toronto air quality index (AQI) forecast

Day	Pollution level	Weather	Temperature	Wind
Thursday, Apr 25	Good 22 AQI US		51.8° 35.6°	11.2 mp/h
Friday, Apr 26	Good 29 AQI US		55.4° 42.8°	11.2 mp/h
Saturday, Apr 27	Moderate 53 AQI US		68° 51.8°	6.7 mp/h
Today	Moderate 63 AQI US	100%	68° 51.8°	6.7 mp/h
Monday, Apr 29	Good 31 AQI US	100%	53.6° 44.6°	13.4 mp/h
Tuesday, Apr 30	Good 41 AQI US	80%	55.4° 44.6°	4.5 mp/h
Wednesday, May 1	Good 45 AQI US		66.2° 44.6°	4.5 mp/h
Thursday, May 2	Good 46 AQI US		68° 51.8°	6.7 mp/h
Friday, May 3	Good 47 AQI US	70%	62.6° 50°	13.4 mp/h
Saturday, May 4	Moderate 61 AQI US	100%	57.2° 48.2°	11.2 mp/h
Sunday, May 5	Good 33 AQI US	100%	60.8° 44.6°	8.9 mp/h