AQHI now · Waterfront Communities-The Island
All cities →2.4
Low health risk
Observed Thu 1:00 PM · Toronto Downtown
- Today
- 2 Low risk
- Today
- 2 Low risk
- Today
- 2 Low risk
- Today
- 2 Low risk
Environment and Climate Change Canada · forecast issued Thu 6:00 AM
Health advice now
- People at risk
- Enjoy your usual outdoor activities.
- Everyone else
- Ideal air quality for outdoor activities.
Pollutants now
PM2.56.7 µg/m³WHO guideline 15
PM106.8 µg/m³WHO guideline 45
NO₂22 µg/m³WHO guideline 25
O₃67 µg/m³WHO guideline 100
Model estimates from WeatherAPI.com; WHO 24-hour guidelines (8-hour for ozone).
Particles · next 12 hours
µg/m³| Time | PM2.5 | PM10 |
|---|---|---|
| 2 PM | 6.7 | 6.8 |
| 3 PM | 6.7 | 6.7 |
| 4 PM | 6.3 | 6.4 |
| 5 PM | 6.3 | 6.5 |
| 6 PM | 6.4 | 6.5 |
| 7 PM | 6.5 | 6.6 |
| 8 PM | 7.5 | 7.7 |
| 9 PM | 7.8 | 8 |
| 10 PM | 6.8 | 6.9 |
| 11 PM | 5.6 | 5.7 |
| 12 AM | 4.4 | 4.6 |
| 1 AM | 3.4 | 3.6 |