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Today Hourly 7 days 30 days Air Quality
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Hourly Weather | Today | Tuesday, August 19, 2025
Ann Arbor, Michigan
5 AM
Stormy WeatherStormy weather, thunderstorms.
64°
Feels Like 63°
54
Humidity: 87%
Wind: 5 mph
UV Index: 0
6 AM
Cloudy NightCloudy night, overcast skies at night with no rain.
64°
Feels Like 64°
49
Humidity: 90%
Wind: 5 mph
UV Index: 0
7 AM
Cloudy WeatherCloudy weather, overcast skies with no rain.
64°
Feels Like 66°
42
Humidity: 92%
Wind: 5 mph
UV Index: 4
8 AM
Cloudy WeatherCloudy weather, overcast skies with no rain.
64°
Feels Like 64°
34
Humidity: 100%
Wind: 6 mph
UV Index: 5
9 AM
Cloudy WeatherCloudy weather, overcast skies with no rain.
64°
Feels Like 66°
34
Humidity: 99%
Wind: 7 mph
UV Index: 8
10 AM
Cloudy WeatherCloudy weather, overcast skies with no rain.
68°
Feels Like 70°
40
Humidity: 92%
Wind: 7 mph
UV Index: 11
11 AM
Stormy WeatherStormy weather, thunderstorms.
72°
Feels Like 68°
69
Humidity: 88%
Wind: 8 mph
UV Index: 12
12 PM
Cloudy WeatherCloudy weather, overcast skies with no rain.
72°
Feels Like 75°
49
Humidity: 86%
Wind: 8 mph
UV Index: 20
1 PM
Stormy WeatherStormy weather, thunderstorms.
73°
Feels Like 73°
69
Humidity: 88%
Wind: 8 mph
UV Index: 18
2 PM
Cloudy WeatherCloudy weather, overcast skies with no rain.
73°
Feels Like 81°
49
Humidity: 88%
Wind: 7 mph
UV Index: 21
3 PM
Cloudy WeatherCloudy weather, overcast skies with no rain.
75°
Feels Like 81°
49
Humidity: 86%
Wind: 7 mph
UV Index: 15
4 PM
Stormy WeatherStormy weather, thunderstorms.
77°
Feels Like 79°
55
Humidity: 84%
Wind: 7 mph
UV Index: 9
5 PM
Stormy WeatherStormy weather, thunderstorms.
79°
Feels Like 81°
56
Humidity: 80%
Wind: 7 mph
UV Index: 6
6 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
77°
Feels Like 81°
49
Humidity: 84%
Wind: 7 mph
UV Index: 5
7 PM
Cloudy WeatherCloudy weather, overcast skies with no rain.
75°
Feels Like 79°
44
Humidity: 85%
Wind: 8 mph
UV Index: 2
8 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
73°
Feels Like 75°
34
Humidity: 91%
Wind: 8 mph
UV Index: 0
9 PM
Cloudy NightCloudy night, overcast skies at night with no rain.
72°
Feels Like 73°
34
Humidity: 91%
Wind: 7 mph
UV Index: 0
10 PM
Cloudy NightCloudy night, overcast skies at night with no rain.
70°
Feels Like 70°
40
Humidity: 92%
Wind: 7 mph
UV Index: 0
11 PM
Stormy WeatherStormy weather, thunderstorms.
66°
Feels Like 63°
51
Humidity: 96%
Wind: 7 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

5 AM
29 AQI
Good air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 4.28 µg/m³
  • PM10: 11.49 µg/m³
  • O₃: 28.95 ppb
  • NO₂: 8.27 ppb
  • SO₂: 0.73 ppb
  • CO: 66.80 ppb

Health Recommendations:

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

6 AM
29 AQI
Good air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 4.03 µg/m³
  • PM10: 9.44 µg/m³
  • O₃: 29.59 ppb
  • NO₂: 7.54 ppb
  • SO₂: 0.79 ppb
  • CO: 93.65 ppb

Health Recommendations:

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

7 AM
29 AQI
Good air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 3.78 µg/m³
  • PM10: 7.39 µg/m³
  • O₃: 29.44 ppb
  • NO₂: 6.97 ppb
  • SO₂: 0.84 ppb
  • CO: 122.05 ppb

Health Recommendations:

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

8 AM
29 AQI
Good air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 3.72 µg/m³
  • PM10: 6.44 µg/m³
  • O₃: 28.19 ppb
  • NO₂: 6.90 ppb
  • SO₂: 0.84 ppb
  • CO: 138.58 ppb

Health Recommendations:

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

9 AM
28 AQI
Good air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 4.06 µg/m³
  • PM10: 6.24 µg/m³
  • O₃: 26.70 ppb
  • NO₂: 7.20 ppb
  • SO₂: 0.88 ppb
  • CO: 158.60 ppb

Health Recommendations:

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

10 AM
29 AQI
Good air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 4.66 µg/m³
  • PM10: 6.49 µg/m³
  • O₃: 25.00 ppb
  • NO₂: 7.60 ppb
  • SO₂: 0.91 ppb
  • CO: 176.93 ppb

Health Recommendations:

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

11 AM
29 AQI
Good air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 5.44 µg/m³
  • PM10: 5.49 µg/m³
  • O₃: 22.83 ppb
  • NO₂: 7.73 ppb
  • SO₂: 1.01 ppb
  • CO: 223.72 ppb

Health Recommendations:

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

12 PM
29 AQI
Good air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 6.49 µg/m³
  • PM10: 6.61 µg/m³
  • O₃: 27.71 ppb
  • NO₂: 6.48 ppb
  • SO₂: 0.99 ppb
  • CO: 214.94 ppb

Health Recommendations:

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

1 PM
29 AQI
Good air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 6.88 µg/m³
  • PM10: 7.04 µg/m³
  • O₃: 32.59 ppb
  • NO₂: 5.23 ppb
  • SO₂: 0.97 ppb
  • CO: 206.17 ppb

Health Recommendations:

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

2 PM
29 AQI
Good air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 6.06 µg/m³
  • PM10: 6.31 µg/m³
  • O₃: 37.48 ppb
  • NO₂: 3.99 ppb
  • SO₂: 0.96 ppb
  • CO: 197.39 ppb

Health Recommendations:

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

3 PM
29 AQI
Good air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 6.56 µg/m³
  • PM10: 6.82 µg/m³
  • O₃: 39.72 ppb
  • NO₂: 3.67 ppb
  • SO₂: 0.95 ppb
  • CO: 193.98 ppb

Health Recommendations:

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

4 PM
29 AQI
Good air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 7.19 µg/m³
  • PM10: 7.46 µg/m³
  • O₃: 41.97 ppb
  • NO₂: 3.35 ppb
  • SO₂: 0.95 ppb
  • CO: 190.56 ppb

Health Recommendations:

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

5 PM
31 AQI
Good air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 7.46 µg/m³
  • PM10: 7.72 µg/m³
  • O₃: 44.21 ppb
  • NO₂: 3.04 ppb
  • SO₂: 0.94 ppb
  • CO: 187.15 ppb

Health Recommendations:

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

6 PM
33 AQI
Good air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 7.50 µg/m³
  • PM10: 7.71 µg/m³
  • O₃: 39.58 ppb
  • NO₂: 3.99 ppb
  • SO₂: 0.79 ppb
  • CO: 197.35 ppb

Health Recommendations:

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

7 PM
34 AQI
Good air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 6.73 µg/m³
  • PM10: 6.91 µg/m³
  • O₃: 34.95 ppb
  • NO₂: 4.94 ppb
  • SO₂: 0.65 ppb
  • CO: 207.56 ppb

Health Recommendations:

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

8 PM
34 AQI
Good air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 6.51 µg/m³
  • PM10: 6.65 µg/m³
  • O₃: 30.32 ppb
  • NO₂: 5.89 ppb
  • SO₂: 0.50 ppb
  • CO: 217.76 ppb

Health Recommendations:

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

9 PM
34 AQI
Good air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 6.67 µg/m³
  • PM10: 6.78 µg/m³
  • O₃: 29.77 ppb
  • NO₂: 5.85 ppb
  • SO₂: 0.64 ppb
  • CO: 223.15 ppb

Health Recommendations:

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

10 PM
33 AQI
Good air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 6.68 µg/m³
  • PM10: 6.74 µg/m³
  • O₃: 29.23 ppb
  • NO₂: 5.82 ppb
  • SO₂: 0.79 ppb
  • CO: 228.53 ppb

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.96 µg/m³
  • PM10: 7.00 µg/m³
  • O₃: 28.68 ppb
  • NO₂: 5.79 ppb
  • SO₂: 0.93 ppb
  • CO: 233.92 ppb

Health Recommendations:

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

Current Real-Time Air Quality Report