Hourly Weather | Today Wednesday, March 18, 2026
Pontiac, Michigan
6 AM
Cloudy Weather
16°
Feels Like 10°
0
Frost Risk: 100%
Humidity: 72%
UV Index: 0
Wind: 6 mph
7 AM
Cloudy Weather
16°
Feels Like 10°
1
Frost Risk: 100%
Humidity: 68%
UV Index: 0
Wind: 6 mph
8 AM
Cloudy Weather
18°
Feels Like 10°
5
Frost Risk: 98%
Humidity: 65%
UV Index: 0
Wind: 8 mph
9 AM
Cloudy Weather
19°
Feels Like 10°
5
Frost Risk: 70%
Humidity: 59%
UV Index: 1
Wind: 9 mph
10 AM
Cloudy Weather
21°
Feels Like 12°
5
Humidity: 56%
UV Index: 1
Wind: 10 mph
11 AM
Cloudy Weather
25°
Feels Like 14°
5
Humidity: 53%
UV Index: 1
Wind: 12 mph
12 PM
Cloudy Weather
27°
Feels Like 16°
5
Humidity: 50%
UV Index: 1
Wind: 13 mph
1 PM
Cloudy Weather
28°
Feels Like 18°
8
Humidity: 49%
UV Index: 1
Wind: 13 mph
2 PM
Cloudy Weather
30°
Feels Like 19°
47
Humidity: 50%
UV Index: 1
Wind: 13 mph
3 PM
Snowy Weather
30°
Feels Like 19°
55
Humidity: 51%
UV Index: 1
Wind: 13 mph
4 PM
Snowy Weather
32°
Feels Like 19°
55
Humidity: 55%
UV Index: 1
Wind: 13 mph
5 PM
Cloudy Weather
32°
Feels Like 21°
44
Humidity: 60%
UV Index: 0
Wind: 13 mph
6 PM
Cloudy Weather
34°
Feels Like 25°
44
Humidity: 61%
UV Index: 0
Wind: 12 mph
7 PM
Snowy Weather
32°
Feels Like 21°
51
Humidity: 71%
UV Index: 0
Wind: 10 mph
8 PM
Cloudy Weather
32°
Feels Like 25°
25
Humidity: 77%
UV Index: 0
Wind: 9 mph
9 PM
Cloudy Weather
32°
Feels Like 25°
20
Humidity: 80%
UV Index: 0
Wind: 8 mph
10 PM
Cloudy Weather
32°
Feels Like 25°
20
Humidity: 85%
UV Index: 0
Wind: 8 mph
11 PM
Cloudy Weather
32°
Feels Like 25°
20
Humidity: 86%
UV Index: 0
Wind: 8 mph

Hourly Air Quality Forecast - AQI (US EPA)

6 AM
45 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.61 µg/m³
  • PM10: 5.65 µg/m³
  • O3: 0.049 ppm
  • NO2: 1.6 ppb
  • SO2: 0.7 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

7 AM
44 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.01 µg/m³
  • PM10: 5.08 µg/m³
  • O3: 0.048 ppm
  • NO2: 1.6 ppb
  • SO2: 0.6 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

8 AM
43 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.12 µg/m³
  • PM10: 4.11 µg/m³
  • O3: 0.047 ppm
  • NO2: 1.6 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 AM
44 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.91 µg/m³
  • PM10: 2.57 µg/m³
  • O3: 0.048 ppm
  • NO2: 1.5 ppb
  • SO2: 0.4 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

10 AM
44 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.31 µg/m³
  • PM10: 1.77 µg/m³
  • O3: 0.048 ppm
  • NO2: 1.8 ppb
  • SO2: 0.5 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.07 µg/m³
  • PM10: 1.41 µg/m³
  • O3: 0.048 ppm
  • NO2: 1.9 ppb
  • SO2: 0.6 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.01 µg/m³
  • PM10: 1.27 µg/m³
  • O3: 0.050 ppm
  • NO2: 1.9 ppb
  • SO2: 0.6 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.16 µg/m³
  • PM10: 1.39 µg/m³
  • O3: 0.050 ppm
  • NO2: 2 ppb
  • SO2: 0.6 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.41 µg/m³
  • PM10: 1.61 µg/m³
  • O3: 0.051 ppm
  • NO2: 2.2 ppb
  • SO2: 0.6 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.7 µg/m³
  • PM10: 1.93 µg/m³
  • O3: 0.051 ppm
  • NO2: 2.3 ppb
  • SO2: 0.6 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.15 µg/m³
  • PM10: 2.44 µg/m³
  • O3: 0.052 ppm
  • NO2: 2.4 ppb
  • SO2: 0.7 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.42 µg/m³
  • PM10: 2.8 µg/m³
  • O3: 0.052 ppm
  • NO2: 2.5 ppb
  • SO2: 0.8 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.71 µg/m³
  • PM10: 3.24 µg/m³
  • O3: 0.052 ppm
  • NO2: 2.8 ppb
  • SO2: 0.9 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.95 µg/m³
  • PM10: 3.65 µg/m³
  • O3: 0.052 ppm
  • NO2: 3.1 ppb
  • SO2: 0.9 ppb
  • CO: 0.15 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: 3.15 µg/m³
  • PM10: 4.02 µg/m³
  • O3: 0.051 ppm
  • NO2: 3.1 ppb
  • SO2: 0.9 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.35 µg/m³
  • PM10: 4.37 µg/m³
  • O3: 0.051 ppm
  • NO2: 3.1 ppb
  • SO2: 0.9 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.64 µg/m³
  • PM10: 4.8 µg/m³
  • O3: 0.050 ppm
  • NO2: 3.1 ppb
  • SO2: 0.8 ppb
  • CO: 0.15 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: 4.14 µg/m³
  • PM10: 5.45 µg/m³
  • O3: 0.048 ppm
  • NO2: 3.1 ppb
  • SO2: 0.7 ppb
  • CO: 0.15 ppm

Health Recommendations:

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