AQHI now · St. John's
All cities →1.9
Low health risk
Observed Mon 4:30 PM · St. John's
- Today
- 2 Low risk
- Tonight
- 2 Low risk
- Tomorrow
- 2 Low risk
Environment and Climate Change Canada · forecast issued Mon 6:00 AM
Health advice now
- People at risk
- Enjoy your usual outdoor activities.
- Everyone else
- Ideal air quality for outdoor activities.
Pollutants now
PM2.55.5 µg/m³WHO guideline 15
PM108.2 µg/m³WHO guideline 45
NO₂2 µg/m³WHO guideline 25
O₃75 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 |
|---|---|---|
| 4 PM | 5.5 | 8.2 |
| 5 PM | 4.8 | 7 |
| 6 PM | 4.3 | 6 |
| 7 PM | 4.2 | 5.7 |
| 8 PM | 4.4 | 5.9 |
| 9 PM | 4.6 | 6.2 |
| 10 PM | 4.9 | 6.6 |
| 11 PM | 5 | 6.9 |
| 12 AM | 4.7 | 6.5 |
| 1 AM | 4.2 | 5.9 |
| 2 AM | 3.7 | 5.3 |
| 3 AM | 3.5 | 5 |