Hourly Weather | Today Tuesday, April 7, 2026
Ann Arbor, Michigan
2 PM
Sunny Weather
36°
Feels Like 41°
0
Humidity: 35%
UV Index: 6
Wind: 7 mph
3 PM
Sunny Weather
37°
Feels Like 43°
0
Humidity: 31%
UV Index: 5
Wind: 7 mph
4 PM
Sunny Weather
39°
Feels Like 43°
0
Humidity: 30%
UV Index: 3
Wind: 6 mph
5 PM
Sunny Weather
39°
Feels Like 43°
0
Humidity: 30%
UV Index: 2
Wind: 6 mph
6 PM
Sunny Weather
39°
Feels Like 37°
0
Humidity: 33%
UV Index: 1
Wind: 6 mph
7 PM
Sunny Weather
37°
Feels Like 34°
0
Humidity: 37%
UV Index: 0
Wind: 7 mph
8 PM
Cloudy Weather
36°
Feels Like 30°
0
Humidity: 40%
UV Index: 0
Wind: 8 mph
9 PM
Cloudy Night
34°
Feels Like 28°
0
Humidity: 49%
UV Index: 0
Wind: 7 mph
10 PM
Cloudy Night
30°
Feels Like 27°
0
Humidity: 57%
UV Index: 0
Wind: 7 mph
11 PM
Cloudy Night
28°
Feels Like 23°
0
Humidity: 66%
UV Index: 0
Wind: 7 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 1.24 µg/m³
  • PM10: 1.5 µg/m³
  • O3: 0.053 ppm
  • NO2: 0.5 ppb
  • SO2: 0.2 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

3 PM
55 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.67 µg/m³
  • PM10: 1.97 µg/m³
  • O3: 0.056 ppm
  • NO2: 0.5 ppb
  • SO2: 0.2 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.

4 PM
58 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.11 µg/m³
  • PM10: 2.46 µg/m³
  • O3: 0.057 ppm
  • NO2: 0.5 ppb
  • SO2: 0.3 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.

5 PM
60 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.58 µg/m³
  • PM10: 3.02 µg/m³
  • O3: 0.057 ppm
  • NO2: 0.6 ppb
  • SO2: 0.3 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.

6 PM
58 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.3 µg/m³
  • PM10: 3.9 µg/m³
  • O3: 0.057 ppm
  • NO2: 1.1 ppb
  • SO2: 0.4 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.22 µg/m³
  • PM10: 5.06 µg/m³
  • O3: 0.054 ppm
  • NO2: 2.1 ppb
  • SO2: 0.5 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.02 µg/m³
  • PM10: 6.14 µg/m³
  • O3: 0.051 ppm
  • NO2: 3 ppb
  • SO2: 0.5 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.84 µg/m³
  • PM10: 7.22 µg/m³
  • O3: 0.049 ppm
  • NO2: 3.2 ppb
  • SO2: 0.6 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.73 µg/m³
  • PM10: 8.35 µg/m³
  • O3: 0.048 ppm
  • NO2: 3.2 ppb
  • SO2: 0.6 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.38 µg/m³
  • PM10: 9.16 µg/m³
  • O3: 0.049 ppm
  • NO2: 3 ppb
  • SO2: 0.7 ppb
  • CO: 0.16 ppm

Health Recommendations:

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