Air quality in Ontario
Air quality index (AQI⁺) and PM2.5 air pollution in Ontario • 46 Followers • 11:00, Oct 07
8*
US AQI⁺Good
Main pollutant:
PM2.5
1.5 µg/m³
19°
27 km/h
51 %
Hourly forecast
Ontario air quality index (AQI⁺) forecast
Daily forecast
Ontario air quality index (AQI⁺) forecast
| Today | 8 | 21° 7° | 27 km/h | 66% | |
| Thu | 34 | 17° 12° | 32 km/h | 70% | |
| Fri | 12 | 15° 8° | 27 km/h | 59% |
Air pollutants
What is the current air quality in Ontario?
PM2.5 concentration currently meets the WHO annual PM2.5 guideline.
Health recommendations
Enjoy outdoor activities |
Open your windows to bring clean, fresh air indoors Get a monitor |
Protect yourself from air pollution in Ontario
Pollen
What is the pollen count in Ontario today?
Index
Low
Tree None | 0% |
Grass None | 0% |
Weed Low | 25% |
Source:
wetter.comHealth recommendations
Enjoy outdoor activities |
Open your windows to bring clean, fresh air indoors Get a monitor |
Pollen
What is the pollen count in Ontario today?
Index
Low
Tree None | 0% |
Grass None | 0% |
Weed Low | 25% |
Source:
wetter.comProtect yourself from air pollution in Ontario
Most polluted locations near Ontario
Worldwide AQI⁺ rankingHistoric air quality near Ontario
History
Historic air quality graph for Ontario
Historic air quality near Ontario
History
Historic air quality graph for Ontario

















