AddAir quality near Castle, Ontario
Air quality index (AQI⁺) and PM2.5 air pollution near Castle, Ontario • 1K Followers • 09:00, May 24 Local time
Data sources: AirGradient via OpenAQ (Licensed under CC-BY 4.0)
65
US AQI⁺Moderate
Main pollutant:
PM2.5
16.8 µg/m³
19°
7 km/h
71 %
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 | 65 |  | 25° 16° |  22 km/h | 63% |
| Mon | 66 |  | 23° 14° | 23 km/h | 61% |
| Tue | 68 | | 30° 21° | 20 km/h | 33% |
Air pollutants
What is the current air quality near Castle?
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 |
Real-time Castle, Ontario air pollution map
Pollen
What is the pollen count in Castle today?
Index
Moderate
 Tree Low | 25% |
 Grass Moderate | 50% |
 Weed None | 0% |
Source:
wetter.comProtect yourself from air pollution in Castle
Air Purifiers
Face Masks
Air Quality Monitors
Pollen
What is the pollen count in Castle today?
Index
Moderate
Tree Low | 25% |
Grass Moderate | 50% |
Weed None | 0% |
Source:
wetter.comHistoric air quality near Castle
History
Historic air quality graph for Castle
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Most polluted locations near Castle, Ontario
Worldwide AQI⁺ ranking
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