Hourly Weather | Today Thursday, October 30, 2025
Grand Rapids, Michigan
7 PM
Cloudy Night
48°
Feels Like 46°
0
Humidity: 63%
Wind: 6 mph
UV Index: 0
8 PM
Cloudy Night
46°
Feels Like 45°
0
Humidity: 67%
Wind: 6 mph
UV Index: 0
9 PM
Cloudy Night
45°
Feels Like 43°
0
Humidity: 75%
Wind: 6 mph
UV Index: 0
10 PM
Cloudy Night
43°
Feels Like 39°
0
Humidity: 83%
Wind: 6 mph
UV Index: 0
11 PM
Cloudy Night
43°
Feels Like 39°
0
Humidity: 87%
Wind: 6 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

7 PM
38 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.48 µg/m³
  • PM10: 1.71 µg/m³
  • O3: 0.041 ppm
  • NO2: 1.6 ppb
  • SO2: 0.6 ppb
  • CO: 0.10 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

8 PM
38 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.24 µg/m³
  • PM10: 1.44 µg/m³
  • O3: 0.041 ppm
  • NO2: 1.8 ppb
  • SO2: 0.5 ppb
  • CO: 0.10 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

9 PM
37 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.12 µg/m³
  • PM10: 1.32 µg/m³
  • O3: 0.040 ppm
  • NO2: 1.8 ppb
  • SO2: 0.4 ppb
  • CO: 0.10 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

10 PM
36 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.07 µg/m³
  • PM10: 1.28 µg/m³
  • O3: 0.039 ppm
  • NO2: 1.7 ppb
  • SO2: 0.3 ppb
  • CO: 0.10 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

11 PM
36 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.03 µg/m³
  • PM10: 1.24 µg/m³
  • O3: 0.039 ppm
  • NO2: 1.5 ppb
  • SO2: 0.3 ppb
  • CO: 0.10 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.