Hourly Weather | Today Sunday, August 30, 2026
Ann Arbor, Michigan
2 AM
Cloudy Night
64°
Feels Like 64°
40
Humidity: 91%
UV Index: 0
Wind: 4 mph
3 AM
Cloudy Night
64°
Feels Like 64°
34
Humidity: 92%
UV Index: 0
Wind: 4 mph
4 AM
Cloudy Night
64°
Feels Like 66°
38
Humidity: 92%
UV Index: 0
Wind: 4 mph
5 AM
Cloudy Night
64°
Feels Like 64°
49
Humidity: 91%
UV Index: 0
Wind: 5 mph
6 AM
Rainy Night
64°
Feels Like 61°
55
Humidity: 92%
UV Index: 0
Wind: 5 mph
7 AM
Partly Sunny with Showers
64°
Feels Like 64°
55
Humidity: 93%
UV Index: 1
Wind: 5 mph
8 AM
Cloudy Weather
66°
Feels Like 66°
49
Humidity: 92%
UV Index: 1
Wind: 5 mph
9 AM
Stormy Weather
66°
Feels Like 64°
60
Humidity: 90%
UV Index: 1
Wind: 6 mph
10 AM
Stormy Weather
68°
Feels Like 66°
60
Humidity: 87%
UV Index: 1
Wind: 6 mph
11 AM
Cloudy Weather
70°
Feels Like 73°
40
Humidity: 84%
UV Index: 2
Wind: 7 mph
12 PM
Cloudy Weather
72°
Feels Like 75°
34
Humidity: 80%
UV Index: 3
Wind: 8 mph
1 PM
Cloudy Weather
73°
Feels Like 77°
40
Humidity: 74%
UV Index: 3
Wind: 9 mph
2 PM
Stormy Weather
75°
Feels Like 73°
56
Humidity: 75%
UV Index: 2
Wind: 10 mph
3 PM
Stormy Weather
77°
Feels Like 75°
56
Humidity: 72%
UV Index: 1
Wind: 10 mph
4 PM
Cloudy Weather
81°
Feels Like 81°
49
Humidity: 66%
UV Index: 1
Wind: 12 mph
5 PM
Cloudy Weather
82°
Feels Like 82°
34
Humidity: 61%
UV Index: 1
Wind: 12 mph
6 PM
Cloudy Weather
81°
Feels Like 81°
34
Humidity: 64%
UV Index: 1
Wind: 10 mph
7 PM
Cloudy Weather
79°
Feels Like 79°
34
Humidity: 69%
UV Index: 0
Wind: 8 mph
8 PM
Cloudy Weather
77°
Feels Like 77°
34
Humidity: 74%
UV Index: 0
Wind: 7 mph
9 PM
Cloudy Weather
73°
Feels Like 75°
34
Humidity: 83%
UV Index: 0
Wind: 6 mph
10 PM
Cloudy Weather
72°
Feels Like 73°
37
Humidity: 88%
UV Index: 0
Wind: 6 mph
11 PM
Cloudy Weather
72°
Feels Like 72°
43
Humidity: 92%
UV Index: 0
Wind: 5 mph

Hourly Air Quality Forecast - AQI (US EPA)

2 AM
36 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 8.69 µg/m³
  • PM10: 10.12 µg/m³
  • O3: 0.018 ppm
  • NO2: 3 ppb
  • SO2: 0.1 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

3 AM
38 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 9.08 µg/m³
  • PM10: 10.5 µg/m³
  • O3: 0.016 ppm
  • NO2: 2.8 ppb
  • SO2: 0.2 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

4 AM
40 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 9.49 µg/m³
  • PM10: 10.8 µg/m³
  • O3: 0.016 ppm
  • NO2: 2.6 ppb
  • SO2: 0.2 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 9.94 µg/m³
  • PM10: 11.08 µg/m³
  • O3: 0.018 ppm
  • NO2: 2.4 ppb
  • SO2: 0.2 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

6 AM
44 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 10.56 µg/m³
  • PM10: 11.51 µg/m³
  • O3: 0.021 ppm
  • NO2: 2.1 ppb
  • SO2: 0.3 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

7 AM
47 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 11.36 µg/m³
  • PM10: 12.26 µg/m³
  • O3: 0.023 ppm
  • NO2: 2.2 ppb
  • SO2: 0.4 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

8 AM
51 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 12.36 µg/m³
  • PM10: 13.27 µg/m³
  • O3: 0.025 ppm
  • NO2: 2.6 ppb
  • SO2: 0.5 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 13.37 µg/m³
  • PM10: 14.34 µg/m³
  • O3: 0.026 ppm
  • NO2: 2.7 ppb
  • SO2: 0.6 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 14.08 µg/m³
  • PM10: 15.14 µg/m³
  • O3: 0.028 ppm
  • NO2: 2.7 ppb
  • SO2: 0.7 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

11 AM
56 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 14.64 µg/m³
  • PM10: 15.75 µg/m³
  • O3: 0.030 ppm
  • NO2: 2.5 ppb
  • SO2: 0.9 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

12 PM
57 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 15.2 µg/m³
  • PM10: 16.14 µg/m³
  • O3: 0.039 ppm
  • NO2: 1.9 ppb
  • SO2: 1.1 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

1 PM
57 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 15.36 µg/m³
  • PM10: 16.09 µg/m³
  • O3: 0.043 ppm
  • NO2: 1.5 ppb
  • SO2: 1 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

2 PM
56 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 15.02 µg/m³
  • PM10: 15.54 µg/m³
  • O3: 0.045 ppm
  • NO2: 1.2 ppb
  • SO2: 0.8 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

3 PM
51 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 12.38 µg/m³
  • PM10: 12.65 µg/m³
  • O3: 0.047 ppm
  • NO2: 0.9 ppb
  • SO2: 0.5 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

4 PM
44 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 10.61 µg/m³
  • PM10: 10.82 µg/m³
  • O3: 0.048 ppm
  • NO2: 0.9 ppb
  • SO2: 0.4 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 9.87 µg/m³
  • PM10: 10.09 µg/m³
  • O3: 0.048 ppm
  • NO2: 1 ppb
  • SO2: 0.4 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 9.78 µg/m³
  • PM10: 10.1 µg/m³
  • O3: 0.043 ppm
  • NO2: 1.7 ppb
  • SO2: 0.3 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 9.89 µg/m³
  • PM10: 10.39 µg/m³
  • O3: 0.036 ppm
  • NO2: 2.7 ppb
  • SO2: 0.3 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

8 PM
42 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 10.02 µg/m³
  • PM10: 10.7 µg/m³
  • O3: 0.032 ppm
  • NO2: 3.2 ppb
  • SO2: 0.3 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

9 PM
42 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 10.14 µg/m³
  • PM10: 10.95 µg/m³
  • O3: 0.029 ppm
  • NO2: 3.4 ppb
  • SO2: 0.2 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

10 PM
43 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 10.33 µg/m³
  • PM10: 11.24 µg/m³
  • O3: 0.027 ppm
  • NO2: 3.4 ppb
  • SO2: 0.2 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

11 PM
44 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 10.64 µg/m³
  • PM10: 11.66 µg/m³
  • O3: 0.024 ppm
  • NO2: 3.4 ppb
  • SO2: 0.2 ppb
  • CO: 0.13 ppm

Health Recommendations:

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