AddAir quality in Ontario
Air quality index (AQI⁺) and PM2.5 air pollution in Ontario • 1.7K Followers • 10:00, Aug 18 Local time
66
US AQI⁺Moderate
Main pollutant:
PM2.5
17 µg/m³
33°
3 km/h
22 %
Hourly forecast
Ontario air quality index (AQI⁺) forecast
Daily forecast
Ontario air quality index (AQI⁺) forecast
| Today | 63 | | 37° 16° |  14 km/h | 28% |
| Wed | 60 | | 37° 14° | 9 km/h | 20% |
| Thu | 60 | | 40° 17° | 9 km/h | 16% |
Air pollutants
What is the current air quality in Ontario?
PM2.5 concentration is currently 3.4 times the World Health Organization annual PM2.5 guideline value.
Health recommendations
 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 |
Protect yourself from air pollution in Ontario
Air Purifiers
Face Masks
Air Quality Monitors
Pollen
What is the pollen count in Ontario today?
Index
Moderate
 Tree None | 0% |
 Grass None | 0% |
 Weed Moderate | 50% |
Source:
wetter.comHealth recommendations
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 |
Pollen
What is the pollen count in Ontario today?
Index
Moderate
Tree None | 0% |
Grass None | 0% |
Weed Moderate | 50% |
Source:
wetter.comProtect yourself from air pollution in Ontario
Air Purifiers
Face Masks
Air Quality Monitors
Most polluted locations near Ontario
Worldwide AQI⁺ ranking
Station ranking
Real-time AQI⁺ station ranking for stations in Ontario
City 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⁺ rankingStation ranking
Real-time AQI⁺ station ranking for stations in Ontario
City ranking
Real-time USA AQI⁺ city ranking
Measure your own air quality
Get a monitor and contribute air quality data in your city.
