AQHI now · Caledon
All cities →2.7
Low health risk
Observed Tue 10:00 PM · Brampton
- Tonight
- 3 Low risk
- Tomorrow
- 3 Low risk
- Tomorrow night
- 3 Low risk
Environment and Climate Change Canada · forecast issued Tue 5:00 PM
Health advice now
- People at risk
- Enjoy your usual outdoor activities.
- Everyone else
- Ideal air quality for outdoor activities.
Pollutants now
PM2.58.1 µg/m³WHO guideline 15
PM109.2 µg/m³WHO guideline 45
NO₂14 µg/m³WHO guideline 25
O₃63 µg/m³WHO guideline 100
Model estimates from WeatherAPI.com; WHO 24-hour guidelines (8-hour for ozone).
Pollen today · Caledon
TreesNonenone in the air
GrassLow<1 grains/m³
WeedsLow<1 grains/m³ · Ragweed
Wed: weeds low · Thu: weeds low · Fri: weeds low
Model estimate from WeatherAPI.com — pollen grains per m³ of air; levels on the National Allergy Bureau scale.
Model estimate from WeatherAPI.com — pollen grains per m³ of air; levels on the National Allergy Bureau scale.
Particles · next 12 hours
µg/m³| Time | PM2.5 | PM10 |
|---|---|---|
| 11 PM | 8.1 | 9.2 |
| 12 AM | 7.1 | 8 |
| 1 AM | 6.1 | 6.9 |
| 2 AM | 5.4 | 6.2 |
| 3 AM | 5.5 | 6.5 |
| 4 AM | 5.6 | 6.6 |
| 5 AM | 5.4 | 6.3 |
| 6 AM | 5.7 | 6.6 |
| 7 AM | 6.8 | 7.6 |
| 8 AM | 7.9 | 8.6 |
| 9 AM | 8.3 | 9.1 |
| 10 AM | 7.9 | 9.1 |