AQHI now · Olds
All cities →2.2
Low health risk
Observed Fri 12:00 AM · Airdrie
- Thursday night
- 3 Low risk
- Today
- 3 Low risk
- Tonight
- 3 Low risk
Environment and Climate Change Canada · forecast issued Thu 5:00 PM
Health advice now
- People at risk
- Enjoy your usual outdoor activities.
- Everyone else
- Ideal air quality for outdoor activities.
Pollutants now
PM2.52.9 µg/m³WHO guideline 15
PM103.3 µg/m³WHO guideline 45
NO₂4 µg/m³WHO guideline 25
O₃74 µg/m³WHO guideline 100
Model estimates from WeatherAPI.com; WHO 24-hour guidelines (8-hour for ozone).
Pollen today · Olds
TreesNonenone in the air
GrassLow<1 grains/m³
WeedsModerate11 grains/m³ · Ragweed
Fri: weeds moderate · Sat: weeds low · Sun: weeds moderate
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 |
|---|---|---|
| 1 AM | 2.9 | 3.3 |
| 2 AM | 2.8 | 3.2 |
| 3 AM | 2.7 | 3.1 |
| 4 AM | 2.6 | 3 |
| 5 AM | 2.5 | 2.8 |
| 6 AM | 2.3 | 2.6 |
| 7 AM | 2.1 | 2.4 |
| 8 AM | 2 | 2.3 |
| 9 AM | 1.9 | 2.2 |
| 10 AM | 1.8 | 2 |
| 11 AM | 1.7 | 1.9 |
| 12 PM | 1.5 | 1.7 |