AddAir quality in Ontario
Air quality index (AQI⁺) and PM2.5 air pollution in Ontario • 13.5K Followers • 01:00, May 30 Local time
22
US AQI⁺Good
Main pollutant:
NO₂
43.4 µg/m³
15°
4 km/h
80 %
Hourly forecast
Ontario air quality index (AQI⁺) forecast
Daily forecast
Ontario air quality index (AQI⁺) forecast
| Today | 36 |  | 27° 14° |  23 km/h | 50% |
| Sun | 50 | | 31° 16° | 23 km/h | 44% |
| Mon | 60 |  | 34° 24° | 17 km/h | 21% |
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
Air Purifiers
Face Masks
Air Quality Monitors
Pollen
What is the pollen count in Ontario today?
Index
High
 Tree Low | 25% |
 Grass High | 75% |
 Weed Moderate | 50% |
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
High
Tree Low | 25% |
Grass High | 75% |
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
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
Measure your own air quality
Get a monitor and contribute air quality data in your city.
