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Air quality in Toronto

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

Last update at 01:00, Apr 29 (local time)

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Toronto Air Quality Map

Real-time Toronto air pollution map

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AIR QUALITY DATA CONTRIBUTORS

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	Index	None
	Tree pollen	None
	Grass pollen	None
	Weed pollen	None

Source: tomorrow.io

See pollen forecast

Weather

What is the current weather in Toronto?

Weather	Broken clouds
Temperature	53.6°F
Humidity	82%
Wind	3 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	London, Ontario	65
2	Windsor, Ontario	45
3	Hamilton, Ontario	37
4	Burlington, Ontario	36
5	Fredericton, New Brunswick	35
6	Chetwynd, British Columbia	33
7	Montreal, Quebec	33
8	Richmond, British Columbia	33
9	Burnaby, British Columbia	32
10	West End, British Columbia	32

01:00, Apr 29 (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	Spadina Avenue	25
2	Toronto Downtown	25
3	Toronto Downtown 2	24
4	Ontario Ministry of the Environment Toronto North	23
5	Queens Quay West	23
6	111Pacific Avenue	20
7	Greenwood & Danforth	17
8	Ontario Ministry of the Environment Toronto East	17
9	Ursula Franklin Street	16
10	Ontario Ministry of the Environment Toronto West	14

01:00, Apr 29 (local time)

SEE WORLD AQI RANKING

US AQI

live AQI index
Good

Overview

What is the current air quality in Toronto?

Air pollution level	Air quality index	Main pollutant
Good	20 US AQI	O3

Pollutants		Concentration
PM2.5		3.3µg/m³
O3		50µg/m³
NO2		12.3µg/m³
SO2		0µg/m³
CO		251.9µg/m³

✓

PM2.5 concentration in Toronto air currently meets the WHO annual air quality guideline value

Health Recommendations

What is the current air quality in Toronto?

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Forecast

Toronto air quality index (AQI) forecast

Day	Pollution level	Weather	Temperature	Wind
Friday, Apr 26	Good 29 AQI US		55.4° 42.8°	11.2 mp/h
Saturday, Apr 27	Moderate 52 AQI US		68° 51.8°	6.7 mp/h
Sunday, Apr 28	Good 21 AQI US		53.6° 44.6°	13.4 mp/h
Today	Good 20 AQI US	80%	53.6° 44.6°	13.4 mp/h
Tuesday, Apr 30	Good 40 AQI US		64.4° 44.6°	4.5 mp/h
Wednesday, May 1	Good 44 AQI US		64.4° 46.4°	6.7 mp/h
Thursday, May 2	Good 46 AQI US		64.4° 51.8°	4.5 mp/h
Friday, May 3	Good 47 AQI US	100%	59° 50°	15.7 mp/h
Saturday, May 4	Moderate 61 AQI US	100%	68° 48.2°	11.2 mp/h
Sunday, May 5	Good 33 AQI US	20%	68° 50°	13.4 mp/h