Hourly Weather | Today Wednesday, May 20, 2026
St. Clair Shores, Michigan
7 PM
Cloudy Weather
52°
Feels Like 48°
0
Humidity: 62%
UV Index: 1
Wind: 12 mph
8 PM
Cloudy Weather
52°
Feels Like 46°
0
Humidity: 64%
UV Index: 0
Wind: 12 mph
9 PM
Cloudy Night
48°
Feels Like 43°
0
Humidity: 68%
UV Index: 0
Wind: 10 mph
10 PM
Cloudy Night
48°
Feels Like 43°
0
Humidity: 65%
UV Index: 0
Wind: 10 mph
11 PM
Cloudy Night
46°
Feels Like 39°
0
Humidity: 68%
UV Index: 0
Wind: 9 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 3.21 µg/m³
  • PM10: 4.03 µg/m³
  • O3: 0.037 ppm
  • NO2: 2.7 ppb
  • SO2: 1.3 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.07 µg/m³
  • PM10: 3.92 µg/m³
  • O3: 0.037 ppm
  • NO2: 3 ppb
  • SO2: 1.3 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.83 µg/m³
  • PM10: 3.67 µg/m³
  • O3: 0.038 ppm
  • NO2: 3.2 ppb
  • SO2: 1.4 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.6 µg/m³
  • PM10: 3.43 µg/m³
  • O3: 0.039 ppm
  • NO2: 3.1 ppb
  • SO2: 1.6 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.53 µg/m³
  • PM10: 3.29 µg/m³
  • O3: 0.040 ppm
  • NO2: 3 ppb
  • SO2: 1.8 ppb
  • CO: 0.12 ppm

Health Recommendations:

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