Hourly Weather | Today Wednesday, March 18, 2026
Warren, Michigan
6 AM
Cloudy Weather
21°
Feels Like 16°
0
Humidity: 57%
UV Index: 0
Wind: 7 mph
7 AM
Cloudy Weather
21°
Feels Like 16°
1
Frost Risk: 48%
Humidity: 56%
UV Index: 0
Wind: 7 mph
8 AM
Cloudy Weather
19°
Feels Like 12°
7
Frost Risk: 85%
Humidity: 59%
UV Index: 0
Wind: 8 mph
9 AM
Cloudy Weather
21°
Feels Like 12°
7
Humidity: 57%
UV Index: 1
Wind: 9 mph
10 AM
Cloudy Weather
25°
Feels Like 14°
7
Humidity: 53%
UV Index: 1
Wind: 12 mph
11 AM
Cloudy Weather
27°
Feels Like 16°
7
Humidity: 51%
UV Index: 1
Wind: 13 mph
12 PM
Cloudy Weather
28°
Feels Like 18°
7
Humidity: 48%
UV Index: 1
Wind: 13 mph
1 PM
Cloudy Weather
30°
Feels Like 19°
11
Humidity: 48%
UV Index: 1
Wind: 14 mph
2 PM
Cloudy Weather
32°
Feels Like 21°
19
Humidity: 48%
UV Index: 1
Wind: 14 mph
3 PM
Cloudy Weather
34°
Feels Like 21°
19
Humidity: 50%
UV Index: 1
Wind: 14 mph
4 PM
Cloudy Weather
34°
Feels Like 23°
24
Humidity: 53%
UV Index: 1
Wind: 14 mph
5 PM
Snowy Weather
34°
Feels Like 21°
55
Humidity: 57%
UV Index: 0
Wind: 14 mph
6 PM
Snowy Weather
36°
Feels Like 25°
55
Humidity: 58%
UV Index: 0
Wind: 13 mph
7 PM
Cloudy Weather
34°
Feels Like 25°
47
Humidity: 66%
UV Index: 0
Wind: 10 mph
8 PM
Cloudy Weather
34°
Feels Like 27°
20
Humidity: 73%
UV Index: 0
Wind: 9 mph
9 PM
Cloudy Weather
34°
Feels Like 27°
20
Humidity: 78%
UV Index: 0
Wind: 9 mph
10 PM
Cloudy Weather
34°
Feels Like 27°
20
Humidity: 81%
UV Index: 0
Wind: 8 mph
11 PM
Cloudy Weather
34°
Feels Like 27°
20
Humidity: 83%
UV Index: 0
Wind: 8 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 5 µg/m³
  • PM10: 6.5 µg/m³
  • O3: 0.048 ppm
  • NO2: 2 ppb
  • SO2: 0.8 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.29 µg/m³
  • PM10: 5.82 µg/m³
  • O3: 0.047 ppm
  • NO2: 2 ppb
  • SO2: 0.7 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: 3.26 µg/m³
  • PM10: 4.66 µg/m³
  • O3: 0.046 ppm
  • NO2: 1.9 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: 1.79 µg/m³
  • PM10: 2.66 µg/m³
  • O3: 0.048 ppm
  • NO2: 1.7 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: 1.25 µg/m³
  • PM10: 1.88 µg/m³
  • O3: 0.048 ppm
  • NO2: 2 ppb
  • SO2: 0.6 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.1 µg/m³
  • PM10: 1.62 µg/m³
  • O3: 0.048 ppm
  • NO2: 2.1 ppb
  • SO2: 0.8 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.06 µg/m³
  • PM10: 1.47 µg/m³
  • O3: 0.049 ppm
  • NO2: 2.2 ppb
  • SO2: 0.8 ppb
  • CO: 0.15 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: 1.2 µg/m³
  • PM10: 1.57 µg/m³
  • O3: 0.050 ppm
  • NO2: 2.2 ppb
  • SO2: 0.8 ppb
  • CO: 0.15 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: 1.43 µg/m³
  • PM10: 1.77 µg/m³
  • O3: 0.051 ppm
  • NO2: 2.2 ppb
  • SO2: 0.7 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.7 µg/m³
  • PM10: 2.07 µg/m³
  • O3: 0.053 ppm
  • NO2: 2.2 ppb
  • SO2: 0.7 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.04 µg/m³
  • PM10: 2.49 µg/m³
  • O3: 0.053 ppm
  • NO2: 2.3 ppb
  • SO2: 0.8 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.26 µg/m³
  • PM10: 2.82 µg/m³
  • O3: 0.053 ppm
  • NO2: 2.4 ppb
  • SO2: 0.9 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.48 µg/m³
  • PM10: 3.19 µg/m³
  • O3: 0.053 ppm
  • NO2: 2.6 ppb
  • SO2: 1 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.67 µg/m³
  • PM10: 3.54 µg/m³
  • O3: 0.053 ppm
  • NO2: 3 ppb
  • SO2: 1 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.82 µg/m³
  • PM10: 3.82 µg/m³
  • O3: 0.052 ppm
  • NO2: 3 ppb
  • SO2: 1 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.95 µg/m³
  • PM10: 4.08 µg/m³
  • O3: 0.052 ppm
  • NO2: 3 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
47 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.18 µg/m³
  • PM10: 4.42 µg/m³
  • O3: 0.051 ppm
  • NO2: 3 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
46 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.62 µg/m³
  • PM10: 4.99 µg/m³
  • O3: 0.050 ppm
  • NO2: 3 ppb
  • SO2: 0.8 ppb
  • CO: 0.15 ppm

Health Recommendations:

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