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Air quality in Toronto
Air quality index (AQI) and PM2.5 air pollution in Toronto
330.7K people follow this city
Toronto Air Quality Map
Real-time Toronto air pollution map
AIR QUALITY DATA CONTRIBUTORS
15 Contributors
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Pollen
What is the pollen count in Toronto today?
 | Index | Low | |
 | Tree pollen | Low | |
 | Grass pollen | None | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Toronto?
| Weather | Broken clouds |
| Temperature | 55.4°F |
| Humidity | 81% |
| 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 | Kitchener, Ontario | 77 |
| 2 | London, Ontario | 66 |
| 3 | Waterloo, Ontario | 59 |
| 4 | Oshawa, Ontario | 53 |
| 5 | Montreal, Quebec | 50 |
| 6 | Quebec City, Quebec | 47 |
| 7 | Hamilton, Ontario | 45 |
| 8 | Burlington, Ontario | 41 |
| 9 | Windsor, Ontario | 41 |
| 10 | Levis, Quebec | 38 |
(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 | Ursula Franklin Street | 69 |
| 2 | Russell Street | 55 |
| 3 | Toronto Downtown 2 | 39 |
| 4 | Greenwood & Danforth | 37 |
| 5 | Toronto Downtown | 37 |
| 6 | Spadina Avenue | 33 |
| 7 | 111Pacific Avenue | 31 |
| 8 | Wolfrey Avenue | 28 |
| 9 | Queens Quay West | 27 |
| 10 | Tweedsmuir Avenue | 26 |
(local time)
SEE WORLD AQI RANKING
US AQI
25
live AQI index
Good
Overview
What is the current air quality in Toronto?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 25 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 6.2µg/m³ | |
| O3 | 53µg/m³ | |
| NO2 | 14.1µg/m³ | |
| SO2 | 0µg/m³ | |
!
PM2.5
x1.2
PM2.5 concentration in Toronto is currently 1.2 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Toronto?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
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 52 AQI US  | | 68° 51.8° | 6.7 mp/h |
| Today | Good 25 AQI US | 80% | 53.6° 44.6° | 13.4 mp/h |
| Monday, Apr 29 | Good 41 AQI US | | 64.4° 44.6° | 4.5 mp/h |
| Tuesday, Apr 30 | Good 45 AQI US | | 64.4° 46.4° | 6.7 mp/h |
| Wednesday, May 1 | Good 46 AQI US | | 64.4° 51.8° | 4.5 mp/h |
| Thursday, May 2 | Good 47 AQI US | 100% | 59° 50° | 15.7 mp/h |
| Friday, May 3 | Moderate 61 AQI US | 100% | 68° 48.2° | 11.2 mp/h |
| Saturday, May 4 | Good 33 AQI US | 20% | 68° 50° | 13.4 mp/h |
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News
The latest air quality news and resources.
Toronto air quality data attribution
15Contributors
Government Contributor
- Christopher Trevors
1 station
Individual Contributor
- 13 Anonymous contributors
13 stations
13 Anonymous Contributors
4 Data sources
Data validated and calibrated by IQAirWhere is the cleanest air quality in Toronto?
- McLennan Physical Laboratories, Huron Street 8
- McLennan Physical Laboratories 12
- Campus Walk 2 16
- Pacific & Glenlake 18
- Algonquin Island 21
- Markham Street 25
- Ontario Ministry of the Environment Toronto East 25
- Ontario Ministry of the Environment Toronto North 25
- Ontario Ministry of the Environment Toronto West 25
- Tweedsmuir Avenue 26
- Queens Quay West 27
- Wolfrey Avenue 28
- 111Pacific Avenue 31
- Spadina Avenue 33
- Greenwood & Danforth 37
- Toronto Downtown 37
- Toronto Downtown 2 39
- Russell Street 55
- Ursula Franklin Street 69
AQI US, Metric