Hourly Weather | Today Tuesday, July 21, 2026
Kalamazoo, Michigan
10 AM
Cloudy Weather
75°
Feels Like 81°
45
Humidity: 80%
UV Index: 5
Wind: 14 mph
11 AM
Cloudy Weather
79°
Feels Like 84°
46
Humidity: 73%
UV Index: 6
Wind: 15 mph
12 PM
Cloudy Weather
81°
Feels Like 84°
49
Humidity: 66%
UV Index: 6
Wind: 16 mph
1 PM
Sunny with a Chance of Thunderstorms
79°
Feels Like 79°
54
Humidity: 75%
UV Index: 4
Wind: 16 mph
2 PM
Cloudy Weather
79°
Feels Like 81°
40
Humidity: 71%
UV Index: 4
Wind: 16 mph
3 PM
Cloudy Weather
79°
Feels Like 81°
34
Humidity: 67%
UV Index: 3
Wind: 16 mph
4 PM
Cloudy Weather
79°
Feels Like 77°
39
Humidity: 65%
UV Index: 2
Wind: 16 mph
5 PM
Cloudy Weather
79°
Feels Like 75°
49
Humidity: 64%
UV Index: 1
Wind: 16 mph
6 PM
Stormy Weather
75°
Feels Like 72°
64
Humidity: 69%
UV Index: 1
Wind: 15 mph
7 PM
Stormy Weather
73°
Feels Like 70°
64
Humidity: 74%
UV Index: 0
Wind: 14 mph
8 PM
Cloudy Weather
73°
Feels Like 72°
7
Humidity: 74%
UV Index: 0
Wind: 12 mph
9 PM
Cloudy Weather
70°
Feels Like 68°
4
Humidity: 76%
UV Index: 0
Wind: 12 mph
10 PM
Cloudy Night
68°
Feels Like 64°
4
Humidity: 75%
UV Index: 0
Wind: 12 mph
11 PM
Cloudy Night
64°
Feels Like 63°
4
Humidity: 77%
UV Index: 0
Wind: 10 mph

Hourly Air Quality Forecast - AQI (US EPA)

10 AM
53 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 13.19 µg/m³
  • PM10: 13.35 µg/m³
  • O3: 0.024 ppm
  • NO2: 2.4 ppb
  • SO2: 1 ppb
  • CO: 0.17 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

11 AM
49 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 11.67 µg/m³
  • PM10: 11.9 µg/m³
  • O3: 0.025 ppm
  • NO2: 2.5 ppb
  • SO2: 1.2 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

12 PM
41 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 9.86 µg/m³
  • PM10: 10.09 µg/m³
  • O3: 0.035 ppm
  • NO2: 1.7 ppb
  • SO2: 1.2 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.64 µg/m³
  • PM10: 8.84 µg/m³
  • O3: 0.043 ppm
  • NO2: 1 ppb
  • SO2: 0.9 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.98 µg/m³
  • PM10: 8.18 µg/m³
  • O3: 0.048 ppm
  • NO2: 0.7 ppb
  • SO2: 0.8 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.4 µg/m³
  • PM10: 7.58 µg/m³
  • O3: 0.051 ppm
  • NO2: 0.5 ppb
  • SO2: 0.8 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7 µg/m³
  • PM10: 7.17 µg/m³
  • O3: 0.052 ppm
  • NO2: 0.5 ppb
  • SO2: 0.7 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.68 µg/m³
  • PM10: 6.84 µg/m³
  • O3: 0.052 ppm
  • NO2: 0.6 ppb
  • SO2: 0.7 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.45 µg/m³
  • PM10: 6.61 µg/m³
  • O3: 0.051 ppm
  • NO2: 0.8 ppb
  • SO2: 0.7 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.31 µg/m³
  • PM10: 6.48 µg/m³
  • O3: 0.050 ppm
  • NO2: 1.1 ppb
  • SO2: 0.8 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.92 µg/m³
  • PM10: 6.1 µg/m³
  • O3: 0.048 ppm
  • NO2: 1.3 ppb
  • SO2: 0.7 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.47 µg/m³
  • PM10: 5.66 µg/m³
  • O3: 0.044 ppm
  • NO2: 1.6 ppb
  • SO2: 0.6 ppb
  • CO: 0.13 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: 5.18 µg/m³
  • PM10: 5.39 µg/m³
  • O3: 0.039 ppm
  • NO2: 1.9 ppb
  • SO2: 0.6 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.87 µg/m³
  • PM10: 5.09 µg/m³
  • O3: 0.035 ppm
  • NO2: 2.1 ppb
  • SO2: 0.6 ppb
  • CO: 0.13 ppm

Health Recommendations:

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