AQHI now · Greely
All cities →1.5
Low health risk
Observed Tue 3:00 PM · Ottawa
- Today
- 2 Low risk
- Tonight
- 2 Low risk
- Tomorrow
- 2 Low risk
- Tomorrow night
- 2 Low risk
Environment and Climate Change Canada · forecast issued Tue 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
PM101.8 µg/m³WHO guideline 45
NO₂1 µg/m³WHO guideline 25
O₃75 µg/m³WHO guideline 100
Model estimates from WeatherAPI.com; WHO 24-hour guidelines (8-hour for ozone).
Pollen today · Greely
TreesNonenone in the air
GrassModerate6 grains/m³
WeedsHigh142 grains/m³ · Ragweed
Wed: weeds high · Thu: weeds high · Fri: weeds high
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 |
|---|---|---|
| 4 PM | 1.7 | 1.8 |
| 5 PM | 1.8 | 1.9 |
| 6 PM | 2 | 2.1 |
| 7 PM | 2.8 | 2.9 |
| 8 PM | 3.6 | 3.7 |
| 9 PM | 4 | 4.1 |
| 10 PM | 4.2 | 4.3 |
| 11 PM | 4.5 | 4.5 |
| 12 AM | 4.6 | 4.7 |
| 1 AM | 4.6 | 4.7 |
| 2 AM | 4.5 | 4.6 |
| 3 AM | 4.4 | 4.4 |