AddAir quality near Castle, Ontario
Air quality index (AQI⁺) and PM2.5 air pollution near Castle, Ontario • 1.1K Followers • 04:00, May 25 Local time
Data sources: AirGradient via OpenAQ (Licensed under CC-BY 4.0)
27
US AQI⁺Good
Main pollutant:
PM2.5
4.9 µg/m³
15°
6 km/h
82 %
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 | 43 |  | 23° 15° |  24 km/h | 61% |
| Tue | 63 | | 25° 12° | 23 km/h | 54% |
| Wed | 43 | | 26° 19° | 22 km/h | 34% |
Air pollutants
What is the current air quality near Castle?
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 |
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 Low | 25% |
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 Low | 25% |
Source:
wetter.comHistoric air quality near Castle
History
Historic air quality graph for Castle
Measure your own air quality
Get a monitor and contribute air quality data in your city.
Most polluted locations near Castle, Ontario
Worldwide AQI⁺ ranking
City ranking
Real-time USA AQI⁺ city ranking
Get comprehensive data about air quality in Castle, Ontario
Download our Air Quality App
