AQHI now · Delaware
All cities →1.8
Low health risk
Observed Fri 9:00 PM · London
- Tonight
- 2 Low risk
- Tomorrow
- 2 Low risk
- Tomorrow night
- 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
PM2.53.2 µg/m³WHO guideline 15
PM103.3 µg/m³WHO guideline 45
NO₂11 µg/m³WHO guideline 25
O₃48 µg/m³WHO guideline 100
Model estimates from WeatherAPI.com; WHO 24-hour guidelines (8-hour for ozone).
Pollen today · Delaware
TreesNonenone in the air
GrassModerate6 grains/m³
WeedsHigh171 grains/m³ · Ragweed
Sat: weeds high · Sun: weeds moderate · Mon: weeds high
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 PM | 3.2 | 3.3 |
| 11 PM | 3 | 3.1 |
| 12 AM | 2.8 | 2.9 |
| 1 AM | 2.6 | 2.7 |
| 2 AM | 2.5 | 2.5 |
| 3 AM | 2.4 | 2.5 |
| 4 AM | 2.5 | 2.5 |
| 5 AM | 2.5 | 2.5 |
| 6 AM | 2.5 | 2.6 |
| 7 AM | 2.5 | 2.6 |
| 8 AM | 2.6 | 2.6 |
| 9 AM | 2.6 | 2.7 |