AQHI now · Donovans
All cities →1.9
Low health risk
Observed Fri 10:30 AM · 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
PM2.56.6 µg/m³WHO guideline 15
PM1010.7 µg/m³WHO guideline 45
NO₂2 µg/m³WHO guideline 25
O₃76 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 |
|---|---|---|
| 11 AM | 6.6 | 10.7 |
| 12 PM | 6.6 | 10.8 |
| 1 PM | 6.2 | 10.2 |
| 2 PM | 5.2 | 8.2 |
| 3 PM | 4.5 | 7.1 |
| 4 PM | 3.8 | 5.8 |
| 5 PM | 2.8 | 4 |
| 6 PM | 2.2 | 2.9 |
| 7 PM | 1.8 | 2.2 |
| 8 PM | 1.6 | 1.9 |
| 9 PM | 1.5 | 1.8 |
| 10 PM | 1.3 | 1.6 |