AQHI now · Evanston
All cities →4.1
Moderate health risk
Observed Fri 3:00 PM · Calgary
- Today
- 4 Moderate risk
- Tonight
- 3 Low risk
- Tomorrow
- 3 Low risk
- Tomorrow night
- 3 Low risk
Environment and Climate Change Canada · forecast issued Fri 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
PM2.51.8 µg/m³WHO guideline 15
PM102 µg/m³WHO guideline 45
NO₂9 µg/m³WHO guideline 25
O₃71 µg/m³WHO guideline 100
Model estimates from WeatherAPI.com; WHO 24-hour guidelines (8-hour for ozone).
Pollen today · Evanston
TreesNonenone in the air
GrassLow<1 grains/m³
WeedsLow10 grains/m³ · Ragweed
Sat: weeds low · Sun: weeds low · Mon: 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 |
|---|---|---|
| 3 PM | 1.8 | 2 |
| 4 PM | 1.9 | 2.2 |
| 5 PM | 2.4 | 2.6 |
| 6 PM | 2.8 | 3 |
| 7 PM | 2.6 | 2.8 |
| 8 PM | 1.9 | 2 |
| 9 PM | 1.4 | 1.5 |
| 10 PM | 1.2 | 1.3 |
| 11 PM | 0.9 | 1.1 |
| 12 AM | 0.8 | 0.9 |
| 1 AM | 0.6 | 0.8 |
| 2 AM | 0.7 | 0.9 |