Hourly Weather | Today Thursday, February 26, 2026
St. Clair Shores, Michigan
2 AM
Cloudy Night
19°
Feels Like 10°
7
Frost Risk: 99%
Humidity: 64%
UV Index: 0
Wind: 8 mph
3 AM
Cloudy Night
19°
Feels Like 12°
7
Frost Risk: 99%
Humidity: 65%
UV Index: 0
Wind: 7 mph
4 AM
Cloudy Night
19°
Feels Like 14°
7
Frost Risk: 99%
Humidity: 66%
UV Index: 0
Wind: 6 mph
5 AM
Cloudy Night
19°
Feels Like 14°
7
Frost Risk: 99%
Humidity: 66%
UV Index: 0
Wind: 6 mph
6 AM
Cloudy Night
19°
Feels Like 16°
5
Frost Risk: 100%
Humidity: 66%
UV Index: 0
Wind: 4 mph
7 AM
Cloudy Night
18°
Feels Like 18°
0
Frost Risk: 100%
Humidity: 66%
UV Index: 0
Wind: 4 mph
8 AM
Cloudy Weather
19°
Feels Like 21°
0
Frost Risk: 100%
Humidity: 63%
UV Index: 1
Wind: 4 mph
9 AM
Cloudy Weather
23°
Feels Like 25°
0
Frost Risk: 74%
Humidity: 57%
UV Index: 2
Wind: 6 mph
10 AM
Cloudy Weather
25°
Feels Like 30°
0
Humidity: 52%
UV Index: 3
Wind: 6 mph
11 AM
Cloudy Weather
28°
Feels Like 32°
0
Humidity: 47%
UV Index: 3
Wind: 6 mph
12 PM
Cloudy Weather
30°
Feels Like 34°
0
Humidity: 44%
UV Index: 4
Wind: 7 mph
1 PM
Cloudy Weather
32°
Feels Like 21°
0
Humidity: 42%
UV Index: 3
Wind: 16 mph
2 PM
Cloudy Weather
34°
Feels Like 23°
0
Humidity: 40%
UV Index: 3
Wind: 16 mph
3 PM
Cloudy Weather
36°
Feels Like 23°
0
Humidity: 40%
UV Index: 2
Wind: 16 mph
4 PM
Cloudy Weather
36°
Feels Like 25°
0
Humidity: 40%
UV Index: 1
Wind: 16 mph
5 PM
Cloudy Weather
36°
Feels Like 21°
0
Humidity: 43%
UV Index: 0
Wind: 16 mph
6 PM
Cloudy Weather
34°
Feels Like 19°
0
Humidity: 48%
UV Index: 0
Wind: 15 mph
7 PM
Cloudy Night
32°
Feels Like 28°
0
Humidity: 53%
UV Index: 0
Wind: 6 mph
8 PM
Cloudy Night
32°
Feels Like 27°
0
Humidity: 57%
UV Index: 0
Wind: 7 mph
9 PM
Cloudy Night
30°
Feels Like 25°
0
Humidity: 60%
UV Index: 0
Wind: 7 mph
10 PM
Cloudy Night
30°
Feels Like 25°
0
Humidity: 62%
UV Index: 0
Wind: 7 mph
11 PM
Cloudy Night
28°
Feels Like 23°
0
Humidity: 64%
UV Index: 0
Wind: 7 mph

Hourly Air Quality Forecast - AQI (US EPA)

2 AM
31 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.86 µg/m³
  • PM10: 6.63 µg/m³
  • O3: 0.034 ppm
  • NO2: 5.8 ppb
  • SO2: 0.6 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

3 AM
30 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.28 µg/m³
  • PM10: 7.22 µg/m³
  • O3: 0.032 ppm
  • NO2: 5.8 ppb
  • SO2: 0.7 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

4 AM
29 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.56 µg/m³
  • PM10: 7.65 µg/m³
  • O3: 0.032 ppm
  • NO2: 5.8 ppb
  • SO2: 0.7 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.81 µg/m³
  • PM10: 8.05 µg/m³
  • O3: 0.031 ppm
  • NO2: 5.9 ppb
  • SO2: 0.8 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.39 µg/m³
  • PM10: 8.86 µg/m³
  • O3: 0.029 ppm
  • NO2: 6.7 ppb
  • SO2: 0.9 ppb
  • CO: 0.20 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.54 µg/m³
  • PM10: 10.41 µg/m³
  • O3: 0.026 ppm
  • NO2: 9 ppb
  • SO2: 0.9 ppb
  • CO: 0.22 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.88 µg/m³
  • PM10: 12.3 µg/m³
  • O3: 0.022 ppm
  • NO2: 12.8 ppb
  • SO2: 1 ppb
  • CO: 0.25 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 9.79 µg/m³
  • PM10: 13.72 µg/m³
  • O3: 0.023 ppm
  • NO2: 13 ppb
  • SO2: 1.2 ppb
  • CO: 0.27 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 10.03 µg/m³
  • PM10: 14.43 µg/m³
  • O3: 0.027 ppm
  • NO2: 10.4 ppb
  • SO2: 1.5 ppb
  • CO: 0.27 ppm

Health Recommendations:

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

11 AM
38 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.36 µg/m³
  • PM10: 8.61 µg/m³
  • O3: 0.041 ppm
  • NO2: 4.5 ppb
  • SO2: 2.4 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

12 PM
40 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.19 µg/m³
  • PM10: 7.94 µg/m³
  • O3: 0.043 ppm
  • NO2: 3.4 ppb
  • SO2: 2 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

1 PM
41 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.44 µg/m³
  • PM10: 7.96 µg/m³
  • O3: 0.044 ppm
  • NO2: 3.1 ppb
  • SO2: 1.7 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.43 µg/m³
  • PM10: 7.61 µg/m³
  • O3: 0.046 ppm
  • NO2: 3.1 ppb
  • SO2: 1.5 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.26 µg/m³
  • PM10: 7.12 µg/m³
  • O3: 0.047 ppm
  • NO2: 2.8 ppb
  • SO2: 1.2 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.19 µg/m³
  • PM10: 6.88 µg/m³
  • O3: 0.047 ppm
  • NO2: 2.8 ppb
  • SO2: 1.1 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.91 µg/m³
  • PM10: 7.74 µg/m³
  • O3: 0.043 ppm
  • NO2: 5.3 ppb
  • SO2: 0.8 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.28 µg/m³
  • PM10: 9.48 µg/m³
  • O3: 0.034 ppm
  • NO2: 9.8 ppb
  • SO2: 0.6 ppb
  • CO: 0.22 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.91 µg/m³
  • PM10: 11.52 µg/m³
  • O3: 0.028 ppm
  • NO2: 12.9 ppb
  • SO2: 0.4 ppb
  • CO: 0.25 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 10.67 µg/m³
  • PM10: 13.72 µg/m³
  • O3: 0.023 ppm
  • NO2: 14.6 ppb
  • SO2: 0.4 ppb
  • CO: 0.27 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 12.39 µg/m³
  • PM10: 15.73 µg/m³
  • O3: 0.021 ppm
  • NO2: 15.4 ppb
  • SO2: 0.4 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.

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

Pollutant Concentrations:

  • PM2.5: 14.06 µg/m³
  • PM10: 17.54 µg/m³
  • O3: 0.018 ppm
  • NO2: 15.7 ppb
  • SO2: 0.4 ppb
  • CO: 0.31 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 15.19 µg/m³
  • PM10: 18.53 µg/m³
  • O3: 0.017 ppm
  • NO2: 15.5 ppb
  • SO2: 0.4 ppb
  • CO: 0.31 ppm

Health Recommendations:

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