Hourly Weather | Today Tuesday, December 30, 2025
Grand Rapids, Michigan
3 AM
Snowy Weather
19°
Feels Like -4°
59
Humidity: 82%
Wind: 22 mph
UV Index: 0
4 AM
Cloudy Weather
19°
Feels Like -2°
40
Humidity: 85%
Wind: 21 mph
UV Index: 0
5 AM
Cloudy Weather
19°
Feels Like -2°
34
Humidity: 86%
Wind: 21 mph
UV Index: 0
6 AM
Cloudy Weather
19°
Feels Like -2°
22
Humidity: 86%
Wind: 20 mph
UV Index: 0
7 AM
Cloudy Weather
19°
Feels Like
16
Humidity: 86%
Wind: 16 mph
UV Index: 0
8 AM
Cloudy Weather
19°
Feels Like
16
Humidity: 87%
Wind: 16 mph
UV Index: 0
9 AM
Cloudy Weather
19°
Feels Like
16
Humidity: 90%
Wind: 16 mph
UV Index: 0
10 AM
Cloudy Weather
19°
Feels Like
16
Humidity: 89%
Wind: 16 mph
UV Index: 0
11 AM
Cloudy Weather
19°
Feels Like
16
Humidity: 88%
Wind: 16 mph
UV Index: 0
12 PM
Cloudy Weather
21°
Feels Like
18
Humidity: 86%
Wind: 17 mph
UV Index: 1
1 PM
Cloudy Weather
21°
Feels Like
21
Humidity: 84%
Wind: 13 mph
UV Index: 0
2 PM
Cloudy Weather
21°
Feels Like
21
Humidity: 84%
Wind: 13 mph
UV Index: 0
3 PM
Cloudy Weather
21°
Feels Like
26
Humidity: 87%
Wind: 12 mph
UV Index: 0
4 PM
Snowy Weather
21°
Feels Like
55
Humidity: 89%
Wind: 12 mph
UV Index: 0
5 PM
Snowy Weather
21°
Feels Like
53
Humidity: 93%
Wind: 12 mph
UV Index: 0
6 PM
Snowy Weather
21°
Feels Like
55
Humidity: 98%
Wind: 12 mph
UV Index: 0
7 PM
Cloudy Weather
19°
Feels Like
40
Humidity: 100%
Wind: 17 mph
UV Index: 0
8 PM
Cloudy Weather
21°
Feels Like
34
Humidity: 100%
Wind: 17 mph
UV Index: 0
9 PM
Cloudy Weather
25°
Feels Like
40
Humidity: 97%
Wind: 16 mph
UV Index: 0
10 PM
Snowy Weather
23°
Feels Like
52
Humidity: 100%
Wind: 16 mph
UV Index: 0
11 PM
Snowy Weather
25°
Feels Like
52
Humidity: 99%
Wind: 16 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

3 AM
36 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.75 µg/m³
  • PM10: 1.12 µg/m³
  • O3: 0.039 ppm
  • NO2: 2 ppb
  • SO2: 0.7 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

4 AM
36 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.77 µg/m³
  • PM10: 1.19 µg/m³
  • O3: 0.039 ppm
  • NO2: 2 ppb
  • SO2: 0.7 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

5 AM
36 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.83 µg/m³
  • PM10: 1.27 µg/m³
  • O3: 0.038 ppm
  • NO2: 2 ppb
  • SO2: 0.8 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

6 AM
35 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.94 µg/m³
  • PM10: 1.41 µg/m³
  • O3: 0.038 ppm
  • NO2: 2.1 ppb
  • SO2: 0.8 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

7 AM
35 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.07 µg/m³
  • PM10: 1.58 µg/m³
  • O3: 0.038 ppm
  • NO2: 2.3 ppb
  • SO2: 0.9 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

8 AM
35 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.22 µg/m³
  • PM10: 1.79 µg/m³
  • O3: 0.037 ppm
  • NO2: 2.7 ppb
  • SO2: 1 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

9 AM
34 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.45 µg/m³
  • PM10: 2.11 µg/m³
  • O3: 0.037 ppm
  • NO2: 3.2 ppb
  • SO2: 1.2 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

10 AM
34 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.78 µg/m³
  • PM10: 2.55 µg/m³
  • O3: 0.036 ppm
  • NO2: 4 ppb
  • SO2: 1.4 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

11 AM
33 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.14 µg/m³
  • PM10: 3.08 µg/m³
  • O3: 0.036 ppm
  • NO2: 4.8 ppb
  • SO2: 1.7 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

12 PM
33 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.45 µg/m³
  • PM10: 3.55 µg/m³
  • O3: 0.036 ppm
  • NO2: 5.3 ppb
  • SO2: 1.9 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

1 PM
33 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.66 µg/m³
  • PM10: 3.85 µg/m³
  • O3: 0.036 ppm
  • NO2: 5.7 ppb
  • SO2: 2 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

2 PM
33 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.68 µg/m³
  • PM10: 3.77 µg/m³
  • O3: 0.036 ppm
  • NO2: 6.1 ppb
  • SO2: 2 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

3 PM
33 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.63 µg/m³
  • PM10: 3.53 µg/m³
  • O3: 0.036 ppm
  • NO2: 6.7 ppb
  • SO2: 2 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

4 PM
33 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.5 µg/m³
  • PM10: 3.24 µg/m³
  • O3: 0.036 ppm
  • NO2: 7.3 ppb
  • SO2: 1.9 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

5 PM
33 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.21 µg/m³
  • PM10: 2.76 µg/m³
  • O3: 0.036 ppm
  • NO2: 7.6 ppb
  • SO2: 1.8 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

6 PM
33 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.88 µg/m³
  • PM10: 2.28 µg/m³
  • O3: 0.036 ppm
  • NO2: 7.1 ppb
  • SO2: 1.7 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.71 µg/m³
  • PM10: 2.05 µg/m³
  • O3: 0.036 ppm
  • NO2: 6.6 ppb
  • SO2: 1.6 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.62 µg/m³
  • PM10: 1.91 µg/m³
  • O3: 0.036 ppm
  • NO2: 6.1 ppb
  • SO2: 1.4 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.58 µg/m³
  • PM10: 1.82 µg/m³
  • O3: 0.035 ppm
  • NO2: 5.7 ppb
  • SO2: 1.3 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.69 µg/m³
  • PM10: 1.91 µg/m³
  • O3: 0.034 ppm
  • NO2: 5.6 ppb
  • SO2: 1.2 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.98 µg/m³
  • PM10: 2.2 µg/m³
  • O3: 0.033 ppm
  • NO2: 5.6 ppb
  • SO2: 1.1 ppb
  • CO: 0.15 ppm

Health Recommendations:

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