Hourly Weather | Today Monday, September 21, 2026
Dover, Delaware
3 PM
Rainy Weather
72°
Feels Like 68°
40
Humidity: 75%
UV Index: 1
Wind: 11 mph
4 PM
Cloudy Weather
72°
Feels Like 70°
37
Humidity: 74%
UV Index: 1
Wind: 11 mph
5 PM
Cloudy Weather
70°
Feels Like 68°
34
Humidity: 77%
UV Index: 0
Wind: 11 mph
6 PM
Cloudy Weather
70°
Feels Like 68°
37
Humidity: 81%
UV Index: 0
Wind: 11 mph
7 PM
Rainy Weather
68°
Feels Like 64°
40
Humidity: 84%
UV Index: 0
Wind: 11 mph
8 PM
Cloudy Weather
68°
Feels Like 66°
42
Humidity: 79%
UV Index: 0
Wind: 11 mph
9 PM
Cloudy Weather
68°
Feels Like 64°
48
Humidity: 81%
UV Index: 0
Wind: 11 mph
10 PM
Rainy Weather
68°
Feels Like 63°
52
Humidity: 83%
UV Index: 0
Wind: 11 mph
11 PM
Rainy Weather
68°
Feels Like 63°
57
Humidity: 82%
UV Index: 0
Wind: 11 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 7.08 µg/m³
  • PM10: 8.08 µg/m³
  • O3: 0.045 ppm
  • NO2: 1.3 ppb
  • SO2: 0.4 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.5 µg/m³
  • PM10: 8.74 µg/m³
  • O3: 0.046 ppm
  • NO2: 1.5 ppb
  • SO2: 0.4 ppb
  • CO: 0.19 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: 6.87 µg/m³
  • PM10: 8.46 µg/m³
  • O3: 0.043 ppm
  • NO2: 1.8 ppb
  • SO2: 0.4 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.66 µg/m³
  • PM10: 7.72 µg/m³
  • O3: 0.040 ppm
  • NO2: 2.1 ppb
  • SO2: 0.4 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.49 µg/m³
  • PM10: 7.06 µg/m³
  • O3: 0.037 ppm
  • NO2: 2.2 ppb
  • SO2: 0.4 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.58 µg/m³
  • PM10: 6.64 µg/m³
  • O3: 0.036 ppm
  • NO2: 2.1 ppb
  • SO2: 0.3 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.84 µg/m³
  • PM10: 6.11 µg/m³
  • O3: 0.036 ppm
  • NO2: 1.6 ppb
  • SO2: 0.3 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.46 µg/m³
  • PM10: 5.8 µg/m³
  • O3: 0.036 ppm
  • NO2: 1.3 ppb
  • SO2: 0.2 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.29 µg/m³
  • PM10: 5.6 µg/m³
  • O3: 0.037 ppm
  • NO2: 1 ppb
  • SO2: 0.2 ppb
  • CO: 0.16 ppm

Health Recommendations:

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