AQHI · Grand Rapids
Environment Canada does not report the AQHI for this area. The pollutant levels below are model estimates.
Pollutants now
PM2.53.9 µg/m³WHO guideline 15
PM104 µg/m³WHO guideline 45
NO₂1 µg/m³WHO guideline 25
O₃70 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
GrassModerate7 grains/m³
WeedsHigh85 grains/m³ · Ragweed
Sat: weeds high · Sun: weeds high · 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 |
|---|---|---|
| 3 PM | 3.9 | 4 |
| 4 PM | 3.7 | 3.8 |
| 5 PM | 3.7 | 3.7 |
| 6 PM | 4.1 | 4.2 |
| 7 PM | 4.9 | 5 |
| 8 PM | 4.7 | 4.8 |
| 9 PM | 3.9 | 3.9 |
| 10 PM | 3.8 | 3.8 |
| 11 PM | 3.8 | 3.9 |
| 12 AM | 3.6 | 3.7 |
| 1 AM | 3.1 | 3.3 |
| 2 AM | 2.7 | 2.9 |