Hourly Weather | Today Saturday, March 21, 2026
Wilmington, Delaware
9 AM
Foggy Weather
48°
Feels Like 41°
0
Humidity: 87%
UV Index: 1
Wind: 13 mph
10 AM
Foggy Weather
52°
Feels Like 45°
0
Humidity: 72%
UV Index: 3
Wind: 15 mph
11 AM
Foggy Weather
54°
Feels Like 48°
0
Humidity: 62%
UV Index: 4
Wind: 16 mph
12 PM
Foggy Weather
55°
Feels Like 52°
0
Humidity: 55%
UV Index: 5
Wind: 15 mph
1 PM
Foggy Weather
57°
Feels Like 57°
0
Humidity: 49%
UV Index: 5
Wind: 13 mph
2 PM
Cloudy Weather
57°
Feels Like 61°
0
Humidity: 45%
UV Index: 5
Wind: 9 mph
3 PM
Cloudy Weather
59°
Feels Like 63°
0
Humidity: 42%
UV Index: 4
Wind: 8 mph
4 PM
Cloudy Weather
61°
Feels Like 63°
0
Humidity: 39%
UV Index: 3
Wind: 8 mph
5 PM
Cloudy Weather
59°
Feels Like 61°
0
Humidity: 41%
UV Index: 2
Wind: 7 mph
6 PM
Cloudy Weather
57°
Feels Like 57°
0
Humidity: 44%
UV Index: 1
Wind: 6 mph
7 PM
Cloudy Weather
55°
Feels Like 55°
0
Humidity: 48%
UV Index: 0
Wind: 5 mph
8 PM
Cloudy Weather
54°
Feels Like 54°
0
Humidity: 56%
UV Index: 0
Wind: 5 mph
9 PM
Cloudy Night
50°
Feels Like 48°
0
Humidity: 63%
UV Index: 0
Wind: 6 mph
10 PM
Cloudy Night
48°
Feels Like 43°
0
Humidity: 70%
UV Index: 0
Wind: 8 mph
11 PM
Cloudy Night
46°
Feels Like 39°
0
Humidity: 74%
UV Index: 0
Wind: 9 mph

Hourly Air Quality Forecast - AQI (US EPA)

9 AM
30 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.92 µg/m³
  • PM10: 8.88 µg/m³
  • O3: 0.032 ppm
  • NO2: 3.3 ppb
  • SO2: 0.4 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.35 µg/m³
  • PM10: 9.59 µg/m³
  • O3: 0.032 ppm
  • NO2: 3.1 ppb
  • SO2: 0.5 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

11 AM
32 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 7.8 µg/m³
  • PM10: 10.98 µg/m³
  • O3: 0.034 ppm
  • NO2: 2.8 ppb
  • SO2: 0.7 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 9.84 µg/m³
  • PM10: 11.9 µg/m³
  • O3: 0.046 ppm
  • NO2: 2 ppb
  • SO2: 1.1 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 10.65 µg/m³
  • PM10: 12.38 µg/m³
  • O3: 0.053 ppm
  • NO2: 1.4 ppb
  • SO2: 1.1 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

2 PM
60 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 10.88 µg/m³
  • PM10: 12.47 µg/m³
  • O3: 0.057 ppm
  • NO2: 1 ppb
  • SO2: 1 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

3 PM
69 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 9.62 µg/m³
  • PM10: 10.95 µg/m³
  • O3: 0.060 ppm
  • NO2: 0.7 ppb
  • SO2: 0.9 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

4 PM
71 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 8.87 µg/m³
  • PM10: 10.13 µg/m³
  • O3: 0.061 ppm
  • NO2: 0.7 ppb
  • SO2: 0.8 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

5 PM
71 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 8.38 µg/m³
  • PM10: 9.69 µg/m³
  • O3: 0.061 ppm
  • NO2: 0.7 ppb
  • SO2: 0.8 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

6 PM
58 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 8.47 µg/m³
  • PM10: 10.57 µg/m³
  • O3: 0.056 ppm
  • NO2: 1.3 ppb
  • SO2: 0.7 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.84 µg/m³
  • PM10: 12.29 µg/m³
  • O3: 0.050 ppm
  • NO2: 2.3 ppb
  • SO2: 0.5 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 9.1 µg/m³
  • PM10: 13.89 µg/m³
  • O3: 0.044 ppm
  • NO2: 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.

9 PM
39 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 9.47 µg/m³
  • PM10: 15.69 µg/m³
  • O3: 0.041 ppm
  • NO2: 3.3 ppb
  • SO2: 0.3 ppb
  • CO: 0.20 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 10.59 µg/m³
  • PM10: 17.88 µg/m³
  • O3: 0.039 ppm
  • NO2: 3.2 ppb
  • SO2: 0.3 ppb
  • CO: 0.20 ppm

Health Recommendations:

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

11 PM
51 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 12.61 µg/m³
  • PM10: 20.23 µg/m³
  • O3: 0.039 ppm
  • NO2: 2.9 ppb
  • SO2: 0.2 ppb
  • CO: 0.20 ppm

Health Recommendations:

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