AddAir quality near Castle, Ontario
Air quality index (AQI⁺) and PM2.5 air pollution near Castle, Ontario • 1.1K Followers • 14:00, Aug 12
Data sources: AirGradient via OpenAQ (Licensed under CC-BY 4.0)
39
US AQI⁺Good
Main pollutant:
PM2.5
7.1 µg/m³
31°
21 km/h
40 %
Data sources: AirGradient via OpenAQ (Licensed under CC-BY 4.0)
Hourly forecast
Castle, Ontario air quality index (AQI⁺) forecast
Daily forecast
Castle, Ontario air quality index (AQI⁺) forecast
| Today | 40 |  | 31° 23° |  25 km/h | 54% |
| Thu | 62 | | 29° 21° | 23 km/h | 58% |
| Fri | 63 | | 29° 20° | 22 km/h | 52% |
Air pollutants
What is the current air quality near Castle?
PM2.5 concentration is currently 1.4 times the World Health Organization annual PM2.5 guideline value.
Health recommendations
 Enjoy outdoor activities |
 Open your windows to bring clean, fresh air indoors Get a monitor |
Real-time Castle, Ontario air pollution map
Pollen
What is the pollen count in Castle today?
Index
Low
 Tree None | 0% |
 Grass None | 0% |
 Weed Low | 25% |
Source:
wetter.comPollen
What is the pollen count in Castle today?
Index
Low
Tree None | 0% |
Grass None | 0% |
Weed Low | 25% |
Source:
wetter.comHistoric air quality near Castle
History
Historic air quality graph for Castle
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Worldwide AQI⁺ ranking
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