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Air quality in Toronto
Air quality index (AQI) and PM2.5 air pollution in Toronto
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Toronto Air Quality Map
Real-time Toronto air pollution map
AIR QUALITY DATA SOURCE
* AQI modeled using satellite data Learn more
Weather
What is the current weather in Toronto?
| Weather | Broken clouds |
| Temperature | 64.4°F |
| Humidity | 83% |
| Wind | 2 mp/h |
| Pressure | 29.7 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  San Antonio, Texas | 121 |
| 2 | Boerne, Texas | 118 |
| 3 | Austin, Texas | 117 |
| 4 | Round Rock, Texas | 113 |
| 5 | Georgetown, Texas | 110 |
| 6 | New Braunfels, Texas | 110 |
| 7 | Shreveport, Louisiana | 110 |
| 8 | Cedar Park, Texas | 105 |
| 9 | Leander, Texas | 100 |
| 10 | Little Rock, Arkansas | 87 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
Spotlight
Economy has "Unhealthy for Sensitive Groups" air quality. See the map and health recommendations.
US AQI
73*
live AQI index
Moderate
Overview
What is the current air quality in Toronto?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 73* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 20.8*µg/m³ | |
!
PM2.5
x4.2
PM2.5 concentration in Toronto is currently 4.2 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 |
|---|---|---|---|---|
| Today | Moderate 73 AQI US |  100% | 73.4° 60.8° |  13.4 mp/h |
| Monday, May 27 | Good 40 AQI US  | 100% | 68° 53.6° | 13.4 mp/h |
| Tuesday, May 28 | Good 32 AQI US | 100% | 62.6° 48.2° | 8.9 mp/h |
| Wednesday, May 29 | Good 18 AQI US | 40% | 66.2° 39.2° | 6.7 mp/h |
| Thursday, May 30 | Good 16 AQI US |  | 68° 41° | 8.9 mp/h |
| Friday, May 31 | Good 48 AQI US |  | 75.2° 44.6° | 2.2 mp/h |
| Saturday, Jun 1 | Moderate 80 AQI US | 50% | 80.6° 51.8° | 6.7 mp/h |
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News
The latest air quality news and resources.
How to best protect from air pollution?
Where is the cleanest air quality in Toronto?
No locations are available.
AQI US, Metric