Air quality in Ontario
Air quality index (AQI⁺) and PM2.5 air pollution in Ontario • 13.6K Followers • 22:00, Jun 20 Local time
158
US AQI⁺Unhealthy
Main pollutant:
PM2.5
66.1 µg/m³
17°
5 km/h
76 %
Hourly forecast
Ontario air quality index (AQI⁺) forecast
Daily forecast
Ontario air quality index (AQI⁺) forecast
| Today | 85 | 28° 17° | 21 km/h | 57% | |
| Mon | 65 | 32° 17° | 22 km/h | 47% | |
| Tue | 63 | 35° 26° | 15 km/h | 22% |
Air pollutants
What is the current air quality in Ontario?
PM2.5 concentration is currently 13.2 times the World Health Organization annual PM2.5 guideline value.
Health recommendations
Avoid outdoor exercise |
Close your windows to avoid dirty outdoor air Get a monitor |
Wear a mask outdoors Get a mask |
Run an air purifier Get an air purifier |
Protect yourself from air pollution in Ontario
Pollen
What is the pollen count in Ontario today?
Index
High
Tree Low | 25% |
Grass Low | 25% |
Weed High | 75% |
Source:
wetter.comHealth recommendations
Avoid outdoor exercise |
Close your windows to avoid dirty outdoor air Get a monitor |
Wear a mask outdoors Get a mask |
Run an air purifier Get an air purifier |
Pollen
What is the pollen count in Ontario today?
Index
High
Tree Low | 25% |
Grass Low | 25% |
Weed High | 75% |
Source:
wetter.comProtect yourself from air pollution in Ontario
Most polluted locations near Ontario
Worldwide AQI⁺ rankingCity ranking
Real-time USA AQI⁺ city ranking
Historic air quality near Ontario
History
Historic air quality graph for Ontario
Historic air quality near Ontario
History
Historic air quality graph for Ontario
Most polluted locations near Ontario
Worldwide AQI⁺ rankingCity ranking
Real-time USA AQI⁺ city ranking
Measure your own air quality
Get a monitor and contribute air quality data in your city.

















