AQHI now · Chester
All cities →1.9
Low health risk
Observed Sat 3:00 AM · Halifax Downtown
- Friday night
- 2 Low risk
- Today
- 2 Low risk
- Tonight
- 2 Low risk
Environment and Climate Change Canada · forecast issued Fri 5:00 PM
Health advice now
- People at risk
- Enjoy your usual outdoor activities.
- Everyone else
- Ideal air quality for outdoor activities.
Pollutants now
PM2.53.6 µg/m³WHO guideline 15
PM105.6 µg/m³WHO guideline 45
NO₂0 µg/m³WHO guideline 25
O₃77 µg/m³WHO guideline 100
Model estimates from WeatherAPI.com; WHO 24-hour guidelines (8-hour for ozone).
Pollen today · Chester
TreesNonenone in the air
GrassNonenone in the air
WeedsLow<1 grains/m³ · Ragweed
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 |
|---|---|---|
| 3 AM | 3.6 | 5.6 |
| 4 AM | 4.2 | 6.5 |
| 5 AM | 4.7 | 7.2 |
| 6 AM | 5.2 | 7.9 |
| 7 AM | 6 | 9.2 |
| 8 AM | 7.2 | 11 |
| 9 AM | 8.6 | 13 |
| 10 AM | 9.2 | 13.9 |
| 11 AM | 8.4 | 13.2 |
| 12 PM | 6 | 9.6 |
| 1 PM | 7.5 | 12.3 |
| 2 PM | 7.1 | 11.7 |