Hourly Weather | Today Monday, September 15, 2025
Grand Rapids, Michigan
6 PM
Cloudy Weather
82°
Feels Like 81°
0
Humidity: 36%
Wind: 7 mph
UV Index: 10
7 PM
Cloudy Weather
81°
Feels Like 79°
0
Humidity: 40%
Wind: 7 mph
UV Index: 1
8 PM
Cloudy Night
79°
Feels Like 75°
0
Humidity: 49%
Wind: 6 mph
UV Index: 0
9 PM
Cloudy Night
75°
Feels Like 72°
0
Humidity: 56%
Wind: 6 mph
UV Index: 0
10 PM
Cloudy Night
72°
Feels Like 70°
0
Humidity: 63%
Wind: 7 mph
UV Index: 0
11 PM
Night
70°
Feels Like 66°
0
Humidity: 70%
Wind: 7 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

6 PM
57 AQI
Moderate air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 5.87 µg/m³
  • PM10: 6.33 µg/m³
  • O₃: 60.45 ppb
  • NO₂: 1.89 ppb
  • SO₂: 0.40 ppb
  • CO: 164.44 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

7 PM
65 AQI
Moderate air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 6.02 µg/m³
  • PM10: 6.43 µg/m³
  • O₃: 56.27 ppb
  • NO₂: 3.05 ppb
  • SO₂: 0.40 ppb
  • CO: 175.37 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

8 PM
66 AQI
Moderate air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 6.58 µg/m³
  • PM10: 6.91 µg/m³
  • O₃: 52.08 ppb
  • NO₂: 4.21 ppb
  • SO₂: 0.40 ppb
  • CO: 186.31 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

9 PM
63 AQI
Moderate air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 7.10 µg/m³
  • PM10: 7.40 µg/m³
  • O₃: 47.56 ppb
  • NO₂: 4.74 ppb
  • SO₂: 0.43 ppb
  • CO: 192.38 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

10 PM
55 AQI
Moderate air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 7.19 µg/m³
  • PM10: 7.46 µg/m³
  • O₃: 43.05 ppb
  • NO₂: 5.27 ppb
  • SO₂: 0.45 ppb
  • CO: 198.45 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

11 PM
50 AQI
Good air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 6.93 µg/m³
  • PM10: 7.16 µg/m³
  • O₃: 38.53 ppb
  • NO₂: 5.80 ppb
  • SO₂: 0.48 ppb
  • CO: 204.53 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors