AQHI now · Olds
All cities →2.3
Low health risk
Observed Fri 8:00 PM · Airdrie
- Friday night
- 4 Moderate risk
- Today
- 3 Low risk
- Tonight
- 3 Low risk
Environment and Climate Change Canada · forecast issued Fri 5:00 PM
Health advice now
- People at risk
- Enjoy your usual outdoor activities.
- Everyone else
- Ideal air quality for outdoor activities.
Pollutants now
PM2.50.3 µg/m³WHO guideline 15
PM100.4 µg/m³WHO guideline 45
NO₂1 µg/m³WHO guideline 25
O₃82 µg/m³WHO guideline 100
Model estimates from WeatherAPI.com; WHO 24-hour guidelines (8-hour for ozone).
Pollen today · Olds
TreesNonenone in the air
GrassLow1 grains/m³
WeedsModerate13 grains/m³ · Ragweed
Sat: weeds low · Sun: weeds moderate · Mon: 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 AM | 0.3 | 0.4 |
| 1 AM | 0.5 | 0.6 |
| 2 AM | 0.6 | 0.8 |
| 3 AM | 0.8 | 1 |
| 4 AM | 0.8 | 1.1 |
| 5 AM | 0.9 | 1.2 |
| 6 AM | 1.1 | 1.5 |
| 7 AM | 1.3 | 1.8 |
| 8 AM | 1.6 | 2.2 |
| 9 AM | 1.9 | 2.6 |
| 10 AM | 2.1 | 2.9 |
| 11 AM | 2.3 | 3.2 |