AQHI now · Castleridge
All cities →3.2
Moderate health risk
Observed Thu 10:00 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
- Consider reducing or rescheduling strenuous activities outdoors if you are experiencing symptoms.
- Everyone else
- No need to modify your usual outdoor activities unless you experience symptoms such as coughing and throat irritation.
Pollutants now
PM2.541.4 µg/m³WHO guideline 15
PM1045.1 µg/m³WHO guideline 45
NO₂34 µg/m³WHO guideline 25
O₃56 µg/m³WHO guideline 100
Model estimates from WeatherAPI.com; WHO 24-hour guidelines (8-hour for ozone).
Pollen today · Castleridge
TreesNonenone in the air
GrassLow<1 grains/m³
WeedsModerate11 grains/m³ · Ragweed
Fri: weeds low · Sat: weeds low · Sun: 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 |
|---|---|---|
| 10 AM | 41.4 | 45.1 |
| 11 AM | 35.6 | 39.2 |
| 12 PM | 32.7 | 36.3 |
| 1 PM | 28.5 | 32.2 |
| 2 PM | 22.4 | 25.8 |
| 3 PM | 17.1 | 20 |
| 4 PM | 17.2 | 19.8 |
| 5 PM | 20.8 | 23.4 |
| 6 PM | 25.7 | 28.1 |
| 7 PM | 24.6 | 27 |
| 8 PM | 21.2 | 23.5 |
| 9 PM | 19.6 | 21.7 |