Hourly Weather | Today Wednesday, August 12, 2026
Rochester Hills, Michigan
9 AM
Foggy Weather
72°
Feels Like 73°
47
Humidity: 91%
UV Index: 1
Wind: 6 mph
10 AM
Foggy Weather
73°
Feels Like 75°
40
Humidity: 81%
UV Index: 1
Wind: 6 mph
11 AM
Foggy Weather
75°
Feels Like 79°
34
Humidity: 76%
UV Index: 2
Wind: 6 mph
12 PM
Foggy Weather
79°
Feels Like 82°
34
Humidity: 70%
UV Index: 3
Wind: 7 mph
1 PM
Foggy Weather
81°
Feels Like 84°
34
Humidity: 64%
UV Index: 4
Wind: 7 mph
2 PM
Cloudy Weather
82°
Feels Like 86°
34
Humidity: 60%
UV Index: 3
Wind: 7 mph
3 PM
Cloudy Weather
82°
Feels Like 86°
34
Humidity: 58%
UV Index: 3
Wind: 7 mph
4 PM
Cloudy Weather
84°
Feels Like 86°
40
Humidity: 56%
UV Index: 2
Wind: 8 mph
5 PM
Sunny with a Chance of Thunderstorms
82°
Feels Like 81°
51
Humidity: 60%
UV Index: 1
Wind: 8 mph
6 PM
Cloudy Weather
82°
Feels Like 82°
47
Humidity: 62%
UV Index: 1
Wind: 8 mph
7 PM
Cloudy Weather
81°
Feels Like 81°
36
Humidity: 67%
UV Index: 0
Wind: 8 mph
8 PM
Cloudy Weather
77°
Feels Like 79°
20
Humidity: 74%
UV Index: 0
Wind: 7 mph
9 PM
Cloudy Night
75°
Feels Like 77°
20
Humidity: 80%
UV Index: 0
Wind: 6 mph
10 PM
Cloudy Night
73°
Feels Like 75°
20
Humidity: 83%
UV Index: 0
Wind: 6 mph
11 PM
Cloudy Night
72°
Feels Like 72°
20
Humidity: 87%
UV Index: 0
Wind: 5 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 4.67 µg/m³
  • PM10: 5.16 µg/m³
  • O3: 0.007 ppm
  • NO2: 4.5 ppb
  • SO2: 0.3 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.78 µg/m³
  • PM10: 5.33 µg/m³
  • O3: 0.007 ppm
  • NO2: 4.4 ppb
  • SO2: 0.4 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.9 µg/m³
  • PM10: 5.41 µg/m³
  • O3: 0.009 ppm
  • NO2: 4 ppb
  • SO2: 0.4 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.64 µg/m³
  • PM10: 4.96 µg/m³
  • O3: 0.015 ppm
  • NO2: 3 ppb
  • SO2: 0.4 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

1 PM
18 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 4.3 µg/m³
  • PM10: 4.53 µg/m³
  • O3: 0.017 ppm
  • NO2: 2.6 ppb
  • SO2: 0.4 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

2 PM
17 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 4.03 µg/m³
  • PM10: 4.24 µg/m³
  • O3: 0.018 ppm
  • NO2: 2.4 ppb
  • SO2: 0.4 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.63 µg/m³
  • PM10: 3.82 µg/m³
  • O3: 0.022 ppm
  • NO2: 1.9 ppb
  • SO2: 0.4 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.68 µg/m³
  • PM10: 3.85 µg/m³
  • O3: 0.027 ppm
  • NO2: 1.4 ppb
  • SO2: 0.3 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.04 µg/m³
  • PM10: 4.2 µg/m³
  • O3: 0.032 ppm
  • NO2: 1.1 ppb
  • SO2: 0.3 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.52 µg/m³
  • PM10: 4.7 µg/m³
  • O3: 0.033 ppm
  • NO2: 1.3 ppb
  • SO2: 0.3 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.05 µg/m³
  • PM10: 5.28 µg/m³
  • O3: 0.032 ppm
  • NO2: 1.9 ppb
  • SO2: 0.2 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.56 µg/m³
  • PM10: 5.86 µg/m³
  • O3: 0.030 ppm
  • NO2: 2.5 ppb
  • SO2: 0.2 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.05 µg/m³
  • PM10: 6.45 µg/m³
  • O3: 0.024 ppm
  • NO2: 3.4 ppb
  • SO2: 0.2 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.55 µg/m³
  • PM10: 7.09 µg/m³
  • O3: 0.017 ppm
  • NO2: 4.3 ppb
  • SO2: 0.2 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.08 µg/m³
  • PM10: 7.74 µg/m³
  • O3: 0.012 ppm
  • NO2: 5 ppb
  • SO2: 0.2 ppb
  • CO: 0.15 ppm

Health Recommendations:

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