AQHI now · Le Plateau
All cities →1.9
Low health risk
Observed Thu 11:00 AM · Ottawa
- Today
- 3 Low risk
- Tonight
- 2 Low risk
- Tomorrow
- 3 Low risk
- Tomorrow night
- 1 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
PM2.51.7 µg/m³WHO guideline 15
PM101.7 µg/m³WHO guideline 45
NO₂5 µg/m³WHO guideline 25
O₃60 µg/m³WHO guideline 100
Model estimates from WeatherAPI.com; WHO 24-hour guidelines (8-hour for ozone).
Pollen today · Le Plateau
TreesNonenone in the air
GrassLow<1 grains/m³
WeedsLow<1 grains/m³ · Ragweed
Fri: weeds low · Sat: weeds low · Sun: weeds low
Model estimate from WeatherAPI.com — pollen grains per m³ of air; levels on the National Allergy Bureau scale.
Model estimate from WeatherAPI.com — pollen grains per m³ of air; levels on the National Allergy Bureau scale.
Particles · next 12 hours
µg/m³| Time | PM2.5 | PM10 |
|---|---|---|
| 12 PM | 1.7 | 1.7 |
| 1 PM | 1.2 | 1.3 |
| 2 PM | 1.5 | 1.5 |
| 3 PM | 1.9 | 1.9 |
| 4 PM | 2.3 | 2.3 |
| 5 PM | 2.7 | 2.7 |
| 6 PM | 3.1 | 3.2 |
| 7 PM | 3.5 | 3.5 |
| 8 PM | 3.8 | 3.8 |
| 9 PM | 4.4 | 4.4 |
| 10 PM | 4.5 | 4.6 |
| 11 PM | 4.7 | 4.7 |