AQHI · Gretna
Environment Canada does not report the AQHI for this area. The pollutant levels below are model estimates.
Pollutants now
PM2.51.9 µg/m³WHO guideline 15
PM102.2 µg/m³WHO guideline 45
NO₂2 µg/m³WHO guideline 25
O₃49 µg/m³WHO guideline 100
Model estimates from WeatherAPI.com; WHO 24-hour guidelines (8-hour for ozone).
Pollen today · Gretna
TreesNonenone in the air
GrassLow<1 grains/m³
WeedsLow<1 grains/m³ · Ragweed
Sun: weeds low · Mon: weeds low · Tue: 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 |
|---|---|---|
| 12 PM | 1.9 | 2.2 |
| 1 PM | 2.2 | 2.7 |
| 2 PM | 2.4 | 3 |
| 3 PM | 2.4 | 3.1 |
| 4 PM | 2.3 | 2.9 |
| 5 PM | 2.2 | 2.8 |
| 6 PM | 2.1 | 2.6 |
| 7 PM | 1.9 | 2.4 |
| 8 PM | 1.8 | 2.4 |
| 9 PM | 1.8 | 2.3 |
| 10 PM | 1.7 | 2.2 |
| 11 PM | 1.4 | 1.9 |