AQHI now · Wyoming
All cities →1.3
Low health risk
Observed Fri 1:00 PM · Sarnia
- Today
- 2 Low risk
- Tonight
- 2 Low risk
- Tomorrow
- 2 Low risk
- Tomorrow night
- 2 Low risk
Environment and Climate Change Canada · forecast issued Fri 6:00 AM
Health advice now
- People at risk
- Enjoy your usual outdoor activities.
- Everyone else
- Ideal air quality for outdoor activities.
Pollutants now
PM2.50.2 µg/m³WHO guideline 15
PM100.2 µg/m³WHO guideline 45
NO₂1 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 | 0.2 | 0.2 |
| 3 PM | 0.1 | 0.1 |
| 4 PM | 0.1 | 0.1 |
| 5 PM | 0.2 | 0.2 |
| 6 PM | 0.2 | 0.2 |
| 7 PM | 0.2 | 0.2 |
| 8 PM | 0.2 | 0.2 |
| 9 PM | 0.2 | 0.2 |
| 10 PM | 0.2 | 0.2 |
| 11 PM | 0.2 | 0.2 |
| 12 AM | 0.2 | 0.2 |
| 1 AM | 0.2 | 0.3 |