AQHI now · Northwood
All cities →1
Low health risk
Observed Fri 6:00 AM · Thunder Bay
- 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
PM2.52.4 µg/m³WHO guideline 15
PM102.6 µg/m³WHO guideline 45
NO₂1 µg/m³WHO guideline 25
O₃62 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 |
|---|---|---|
| 7 AM | 2.4 | 2.6 |
| 8 AM | 2.4 | 2.6 |
| 9 AM | 2.5 | 2.7 |
| 10 AM | 2.5 | 2.6 |
| 11 AM | 2.3 | 2.5 |
| 12 PM | 2.2 | 2.5 |
| 1 PM | 2.3 | 2.5 |
| 2 PM | 2.3 | 2.6 |
| 3 PM | 2.3 | 2.6 |
| 4 PM | 2.3 | 2.6 |
| 5 PM | 2.3 | 2.5 |
| 6 PM | 2.2 | 2.5 |