AQHI · Grand Rapids
Environment Canada does not report the AQHI for this area. The pollutant levels below are model estimates.
Pollutants now
PM2.52.3 µg/m³WHO guideline 15
PM102.4 µg/m³WHO guideline 45
NO₂2 µg/m³WHO guideline 25
O₃66 µg/m³WHO guideline 100
Model estimates from WeatherAPI.com; WHO 24-hour guidelines (8-hour for ozone).
Pollen today · Grand Rapids
TreesNonenone in the air
GrassLow3 grains/m³
WeedsModerate39 grains/m³ · Ragweed
Sun: weeds high · Mon: weeds high · Tue: weeds moderate
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 |
|---|---|---|
| 7 PM | 2.3 | 2.4 |
| 8 PM | 2.2 | 2.2 |
| 9 PM | 2 | 2.1 |
| 10 PM | 1.8 | 1.8 |
| 11 PM | 1.5 | 1.6 |
| 12 AM | 1.4 | 1.4 |
| 1 AM | 1.1 | 1.1 |
| 2 AM | 0.9 | 0.9 |
| 3 AM | 0.8 | 0.8 |
| 4 AM | 0.8 | 0.8 |
| 5 AM | 0.8 | 0.8 |
| 6 AM | 0.7 | 0.7 |