AQHI now · Hidden Valley
All cities →2.8
Low health risk
Observed Tue 1:00 AM · Calgary
- Monday night
- 4 Moderate risk
- Today
- 3 Low risk
- Tonight
- 3 Low risk
Environment and Climate Change Canada · forecast issued Mon 5:00 PM
Health advice now
- People at risk
- Enjoy your usual outdoor activities.
- Everyone else
- Ideal air quality for outdoor activities.
Pollutants now
PM2.58.8 µg/m³WHO guideline 15
PM109.3 µg/m³WHO guideline 45
NO₂32 µg/m³WHO guideline 25
O₃32 µg/m³WHO guideline 100
Model estimates from WeatherAPI.com; WHO 24-hour guidelines (8-hour for ozone).
Pollen today · Hidden Valley
TreesNonenone in the air
GrassHigh49 grains/m³
WeedsHigh70 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 |
|---|---|---|
| 2 AM | 8.8 | 9.3 |
| 3 AM | 8.2 | 8.8 |
| 4 AM | 7.8 | 8.3 |
| 5 AM | 7.4 | 7.8 |
| 6 AM | 7 | 7.4 |
| 7 AM | 6.9 | 7.3 |
| 8 AM | 7.7 | 8 |
| 9 AM | 8.7 | 9.1 |
| 10 AM | 10.4 | 10.7 |
| 11 AM | 9.4 | 10 |
| 12 PM | 5.8 | 6.6 |
| 1 PM | 4.8 | 5.3 |