Hourly Weather | Today Monday, July 20, 2026
Active Weather Warnings
Dearborn, Michigan
8 PM
Cloudy Weather
79°
Feels Like 75°
24
Humidity: 54%
UV Index: 0
Wind: 9 mph
9 PM
Cloudy Weather
77°
Feels Like 75°
24
Humidity: 59%
UV Index: 0
Wind: 9 mph
10 PM
Cloudy Weather
75°
Feels Like 73°
29
Humidity: 65%
UV Index: 0
Wind: 8 mph
11 PM
Cloudy Weather
75°
Feels Like 73°
49
Humidity: 68%
UV Index: 0
Wind: 8 mph

Hourly Air Quality Forecast - AQI (US EPA)

8 PM
65 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 11.46 µg/m³
  • PM10: 11.86 µg/m³
  • O3: 0.059 ppm
  • NO2: 1.6 ppb
  • SO2: 0.3 ppb
  • CO: 0.35 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 11.4 µg/m³
  • PM10: 11.84 µg/m³
  • O3: 0.054 ppm
  • NO2: 1.9 ppb
  • SO2: 0.3 ppb
  • CO: 0.36 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 11.61 µg/m³
  • PM10: 12.08 µg/m³
  • O3: 0.048 ppm
  • NO2: 2.2 ppb
  • SO2: 0.3 ppb
  • CO: 0.37 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 11.97 µg/m³
  • PM10: 12.46 µg/m³
  • O3: 0.042 ppm
  • NO2: 2.5 ppb
  • SO2: 0.3 ppb
  • CO: 0.38 ppm

Health Recommendations:

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

Weather Alerts and Warnings for Dearborn

Air Quality Alert

Air Quality Alert issued July 20 at 11:49AM EDT by NWS Detroit/Pontiac MI
Jul 20, 11:49 AM Jul 21, 12:00 AM
The Michigan Department of Environment, Great Lakes, and Energy (EGLE) has
issued an Air Quality Alert for July 20, 2026, for elevated levels
of fine particulate due to wildfire smoke. Concentrations will linger
from Unhealthy for Sensitive Groups (USG) range.

This is a Statewide Air Quality Alert.

It is recommended that, when possible, you avoid strenuous outdoor
activities, especially those with heart disease and respiratory
conditions like asthma. Watch for symptoms including wheezing,
coughing, chest tightness, dizziness, or burning in nose, throat, and
eyes. You can help reduce air pollution by limiting activities, such
as:
- outdoor burning;
- use of residential wood burning devices.

Tips for households:
- Keep windows closed overnight to prevent smoke from getting indoors
and, if possible, run central air conditioning with MERV-13 or
higher rated filters.

For up-to-date air quality data for Michigan visit the MiAir site:
Michigan.gov/MiAir

For up-to-date air quality data nationally visit EPAs Air Now site:
AirNow.gov

For further health information, please see MDHHS Wildfire Smoke and
Your Health site:
https://www.michigan.gov/mdhhs/safety-injury-prev/environmental-
health/your-health-and-wildfire-smoke

The alert is in effect for the following Michigan counties...

Midland...Bay...Huron...Saginaw...Tuscola...Sanilac...Shiawassee...
Genesee...Lapeer...St. Clair...Livingston...Oakland...Macomb...
Washtenaw...Wayne...Lenawee and Monroe.
Updated: Jul 20, 7:05 PM Source: NWS Alert