AQHI now · Gravenhurst
All cities →1.3
Low health risk
Observed Thu 7:00 PM · Dorset
- Tonight
- 2 Low risk
- Tomorrow
- 2 Low risk
- Tomorrow night
- 2 Low risk
Environment and Climate Change Canada · forecast issued Thu 5:00 PM
Health advice now
- People at risk
- Enjoy your usual outdoor activities.
- Everyone else
- Ideal air quality for outdoor activities.
Pollutants now
PM2.54.1 µg/m³WHO guideline 15
PM104.2 µg/m³WHO guideline 45
NO₂6 µg/m³WHO guideline 25
O₃54 µg/m³WHO guideline 100
Model estimates from WeatherAPI.com; WHO 24-hour guidelines (8-hour for ozone).
Pollen today · Gravenhurst
TreesNonenone in the air
GrassLow<1 grains/m³
WeedsLow<1 grains/m³ · Ragweed
Fri: weeds low · Sat: weeds low · Sun: 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 |
|---|---|---|
| 7 PM | 4.1 | 4.2 |
| 8 PM | 4.4 | 4.5 |
| 9 PM | 4.8 | 4.9 |
| 10 PM | 5.1 | 5.2 |
| 11 PM | 5.6 | 5.7 |
| 12 AM | 6.1 | 6.2 |
| 1 AM | 6.5 | 6.5 |
| 2 AM | 6.8 | 6.8 |
| 3 AM | 7.2 | 7.2 |
| 4 AM | 7.9 | 8 |
| 5 AM | 8.6 | 8.6 |
| 6 AM | 9.1 | 9.1 |