AddAir quality near Castle, Ontario
Air quality index (AQI⁺) and PM2.5 air pollution near Castle, Ontario • 1.1K Followers • 11:00, Jun 27
Data sources: AirGradient via OpenAQ (Licensed under CC-BY 4.0)
52
US AQI⁺Moderate
Main pollutant:
PM2.5
9.9 µg/m³
24°
14 km/h
48 %
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 | 46 |  | 26° 16° |  25 km/h | 62% |
| Sun | 39 | | 24° 16° | 23 km/h | 62% |
| Mon | 42 | | 31° 15° | 25 km/h | 46% |
Air pollutants
What is the current air quality near Castle?
PM2.5 concentration is currently 2 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 |
Real-time Castle, Ontario air pollution map
Pollen
What is the pollen count in Castle today?
Index
Low
 Tree Low | 25% |
 Grass Low | 25% |
 Weed None | 0% |
Source:
wetter.comPollen
What is the pollen count in Castle today?
Index
Low
Tree Low | 25% |
Grass Low | 25% |
Weed None | 0% |
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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