AQHI now · Hidden Valley
All cities →2.2
Low health risk
Observed Thu 7:00 AM · Calgary
- Today
- 3 Low risk
- Tonight
- 3 Low risk
- Tomorrow
- 3 Low risk
- Tomorrow night
- 3 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
PM2.515.4 µg/m³WHO guideline 15
PM1015.9 µg/m³WHO guideline 45
NO₂25 µg/m³WHO guideline 25
O₃9 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
GrassHigh44 grains/m³
WeedsHigh75 grains/m³ · Ragweed
Fri: weeds high · Sat: weeds moderate · Sun: 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 |
|---|---|---|
| 8 AM | 15.4 | 15.9 |
| 9 AM | 19.2 | 19.6 |
| 10 AM | 17.9 | 18.4 |
| 11 AM | 13.9 | 14.5 |
| 12 PM | 13 | 13.6 |
| 1 PM | 12 | 12.7 |
| 2 PM | 10.6 | 11.1 |
| 3 PM | 9 | 9.5 |
| 4 PM | 7.8 | 8.4 |
| 5 PM | 6.7 | 7.3 |
| 6 PM | 6.1 | 6.7 |
| 7 PM | 6.5 | 7 |