Hourly Weather | Today Tuesday, January 6, 2026
Ann Arbor, Michigan
4 PM
Cloudy Weather
39°
Feels Like 34°
49
Humidity: 89%
Wind: 8 mph
UV Index: 0
5 PM
Rainy Weather
37°
Feels Like 28°
61
Humidity: 91%
Wind: 9 mph
UV Index: 0
6 PM
Rainy Weather
37°
Feels Like 27°
61
Humidity: 89%
Wind: 10 mph
UV Index: 0
7 PM
Rainy Weather
36°
Feels Like 25°
52
Humidity: 90%
Wind: 10 mph
UV Index: 0
8 PM
Cloudy Weather
36°
Feels Like 27°
48
Humidity: 90%
Wind: 10 mph
UV Index: 0
9 PM
Cloudy Weather
36°
Feels Like 27°
44
Humidity: 91%
Wind: 10 mph
UV Index: 0
10 PM
Cloudy Weather
36°
Feels Like 27°
47
Humidity: 91%
Wind: 9 mph
UV Index: 0
11 PM
Rainy Weather
36°
Feels Like 25°
51
Humidity: 93%
Wind: 9 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

4 PM
58 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 15.77 µg/m³
  • PM10: 16.45 µg/m³
  • O3: 0.029 ppm
  • NO2: 3.9 ppb
  • SO2: 0.5 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 16.52 µg/m³
  • PM10: 17.37 µg/m³
  • O3: 0.028 ppm
  • NO2: 4.8 ppb
  • SO2: 0.7 ppb
  • CO: 0.20 ppm

Health Recommendations:

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

6 PM
63 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 18.16 µg/m³
  • PM10: 19.24 µg/m³
  • O3: 0.024 ppm
  • NO2: 6.9 ppb
  • SO2: 1 ppb
  • CO: 0.22 ppm

Health Recommendations:

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

7 PM
67 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 19.86 µg/m³
  • PM10: 21.13 µg/m³
  • O3: 0.019 ppm
  • NO2: 9.6 ppb
  • SO2: 1.2 ppb
  • CO: 0.24 ppm

Health Recommendations:

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

8 PM
69 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 20.83 µg/m³
  • PM10: 22.14 µg/m³
  • O3: 0.016 ppm
  • NO2: 11.6 ppb
  • SO2: 1.2 ppb
  • CO: 0.26 ppm

Health Recommendations:

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

9 PM
71 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 21.69 µg/m³
  • PM10: 22.96 µg/m³
  • O3: 0.013 ppm
  • NO2: 12.8 ppb
  • SO2: 1.1 ppb
  • CO: 0.27 ppm

Health Recommendations:

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

10 PM
72 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 22.4 µg/m³
  • PM10: 23.61 µg/m³
  • O3: 0.011 ppm
  • NO2: 13.5 ppb
  • SO2: 1 ppb
  • CO: 0.28 ppm

Health Recommendations:

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

11 PM
73 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 22.79 µg/m³
  • PM10: 23.97 µg/m³
  • O3: 0.010 ppm
  • NO2: 14 ppb
  • SO2: 1 ppb
  • CO: 0.29 ppm

Health Recommendations:

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