AQHI now · Mount Cashel
All cities →1.4
Low health risk
Observed Thu 6:30 AM · St. John's
- Today
- 2 Low risk
- Tonight
- 2 Low risk
- Tomorrow
- 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
PM2.52.8 µg/m³WHO guideline 15
PM103.8 µg/m³WHO guideline 45
NO₂3 µg/m³WHO guideline 25
O₃63 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 |
|---|---|---|
| 6 AM | 2.8 | 3.8 |
| 7 AM | 3.5 | 4.5 |
| 8 AM | 4.4 | 5.5 |
| 9 AM | 3.6 | 4.9 |
| 10 AM | 3.3 | 4.9 |
| 11 AM | 3.7 | 5.7 |
| 12 PM | 4.1 | 6.6 |
| 1 PM | 4.6 | 7.3 |
| 2 PM | 5 | 8.1 |
| 3 PM | 5.4 | 8.8 |
| 4 PM | 5.8 | 9.4 |
| 5 PM | 6.2 | 10 |