AQHI now · Hidden Valley
All cities →2.6
Low health risk
Observed Wed 4:00 AM · Calgary
- Tuesday night
- 3 Low risk
- Today
- 3 Low risk
- Tonight
- 3 Low risk
Environment and Climate Change Canada · forecast issued Tue 5:00 PM
Health advice now
- People at risk
- Enjoy your usual outdoor activities.
- Everyone else
- Ideal air quality for outdoor activities.
Pollutants now
PM2.512 µg/m³WHO guideline 15
PM1012.1 µg/m³WHO guideline 45
NO₂49 µg/m³WHO guideline 25
O₃11 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
GrassHigh42 grains/m³
WeedsHigh68 grains/m³ · Ragweed
Thu: weeds high · Fri: weeds high · Sat: 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 |
|---|---|---|
| 5 AM | 12 | 12.1 |
| 6 AM | 12.6 | 12.8 |
| 7 AM | 13.2 | 13.4 |
| 8 AM | 14.8 | 15 |
| 9 AM | 15.8 | 16.1 |
| 10 AM | 14.6 | 14.9 |
| 11 AM | 12 | 12.5 |
| 12 PM | 7.5 | 8.1 |
| 1 PM | 5.5 | 6.3 |
| 2 PM | 5.9 | 7 |
| 3 PM | 7.5 | 8.9 |
| 4 PM | 5.9 | 6.9 |