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Air quality in Toronto

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

Last update at 04:00, Jul 24 (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	68°F
Humidity	89%
Wind	2.5 mp/h
Pressure	30 Hg

Air pollution has cost an estimated1,900 deaths*in Toronto in 2024Find out more*Air pollution also cost approximately $2,900,000,000 USD in Toronto in 2024.

live aqi city ranking

Real-time Canada city ranking

#	city	US AQI
1	Golden, British Columbia	189
2	Calgary, Alberta	169
3	Fort Mckay, Alberta	165
4	Airdrie, Alberta	162
5	Yellowknife, Northwest Territories	159
6	Regina, Saskatchewan	157
7	Lac La Biche, Alberta	153
8	Patricia Mcinnes, Alberta	150
9	Canmore, Alberta	136
10	Regional District of Central Kootenay, British Columbia	125

04:00, Jul 24 (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	Greenwood & Danforth	64
2	Toronto Downtown	64
3	Toronto Downtown 2	63
4	Campus Walk 2	62
5	Tweedsmuir Avenue	62
6	Spadina Avenue	61
7	Ursula Franklin Street	61
8	Markham Street	58
9	Ontario Ministry of the Environment Toronto West	58
10	Queens Quay West	58

04:00, Jul 24 (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	58 US AQI	PM2.5

Pollutants		Concentration
PM2.5		12.7µg/m³
O3		62µg/m³
NO2		12µg/m³
SO2		0µg/m³
CO		206.1µg/m³

PM2.5

x2.5

PM2.5 concentration in Toronto is currently 2.5 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
Sunday, Jul 21	Good 34 AQI US		78.8° 59°	4.5 mp/h
Monday, Jul 22	Good 38 AQI US		82.4° 62.6°	4.5 mp/h
Tuesday, Jul 23	Moderate 54 AQI US		75.2° 62.6°	8.9 mp/h
Today	Moderate 58 AQI US	100%	75.2° 62.6°	8.9 mp/h
Thursday, Jul 25	Moderate 56 AQI US		75.2° 57.2°	13.4 mp/h
Friday, Jul 26	Good 43 AQI US		78.8° 57.2°	4.5 mp/h
Saturday, Jul 27	Moderate 58 AQI US		80.6° 62.6°	6.7 mp/h
Sunday, Jul 28	Moderate 70 AQI US		84.2° 64.4°	6.7 mp/h
Monday, Jul 29	Moderate 62 AQI US	70%	78.8° 71.6°	8.9 mp/h
Tuesday, Jul 30	Moderate 62 AQI US	100%	84.2° 68°	8.9 mp/h