AQHI now · Lancaster
All cities →2.1
Low health risk
Observed Thu 4:00 PM · Saint John
- Today
- 2 Low risk
- Tonight
- 2 Low risk
- Tomorrow
- 2 Low risk
- Tomorrow night
- 2 Low risk
Environment and Climate Change Canada · forecast issued Thu 5:00 PM
Health advice now
- People at risk
- Enjoy your usual outdoor activities.
- Everyone else
- Ideal air quality for outdoor activities.
Pollutants now
PM2.57 µg/m³WHO guideline 15
PM1011.2 µg/m³WHO guideline 45
NO₂2 µg/m³WHO guideline 25
O₃76 µg/m³WHO guideline 100
Model estimates from WeatherAPI.com; WHO 24-hour guidelines (8-hour for ozone).
Pollen today · Lancaster
TreesNonenone in the air
GrassLow<1 grains/m³
WeedsLow<1 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 |
|---|---|---|
| 5 PM | 7 | 11.2 |
| 6 PM | 7.8 | 12.6 |
| 7 PM | 8.7 | 14.1 |
| 8 PM | 9.7 | 15.7 |
| 9 PM | 10.2 | 16.6 |
| 10 PM | 10 | 16.4 |
| 11 PM | 9.4 | 15.3 |
| 12 AM | 8.8 | 14.4 |
| 1 AM | 8.6 | 14.2 |
| 2 AM | 7.8 | 12.6 |
| 3 AM | 7.8 | 12.7 |
| 4 AM | 7.2 | 11.7 |