AQHI now · St. John's
All cities →1.6
Low health risk
Observed Fri 12:30 PM · St. John's
- Today
- 2 Low risk
- Tonight
- 2 Low risk
- Tomorrow
- 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
PM2.59.4 µg/m³WHO guideline 15
PM1015.6 µg/m³WHO guideline 45
NO₂2 µg/m³WHO guideline 25
O₃59 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 |
|---|---|---|
| 1 PM | 9.4 | 15.6 |
| 2 PM | 8 | 13.2 |
| 3 PM | 6.3 | 10 |
| 4 PM | 5.6 | 8.4 |
| 5 PM | 4.9 | 7 |
| 6 PM | 4.2 | 5.6 |
| 7 PM | 3.8 | 4.9 |
| 8 PM | 3.5 | 4.7 |
| 9 PM | 3.7 | 5.3 |
| 10 PM | 4.2 | 6.1 |
| 11 PM | 4.5 | 6.6 |
| 12 AM | 4.5 | 6.6 |