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Hockessin (Delaware) (US)

Air Quality Trend (last 7 days)

Good (0-50)
Moderate (51-100)
Unhealthy for Sensitive Groups (101-150)
Unhealthy (151-200)
Very Unhealthy (201-300)
Hazardous (300+)

Weather - 48h MET Norway

Cloudy
10°C
Cloudy
Humidity
56.6%
Wind
7 m/s
Pressure
1024.6 hPa
Direction
123°
Sunrise
05:00
Sunset
17:00
24h Forecast:
Temp.
9° / 21°
Precip.
17.4mm
Max wind
11 m/s

Hourly Forecast

15.03
Now
Weather
10°
7
15.03
21:00
Weather
10°
6
15.03
22:00
Weather
10°
6
15.03
23:00
Weather
7
16.03
00:00
Weather
7
16.03
01:00
Weather
10°
7
16.03
02:00
Weather
11°
7
16.03
03:00
Weather
11°
8
16.03
04:00
Weather
12°
0.6
8
16.03
05:00
Weather
11°
2
8
16.03
06:00
Weather
11°
1.6
8
16.03
07:00
Weather
11°
0.2
8
16.03
08:00
Weather
12°
0.3
7
16.03
09:00
Weather
12°
0.4
6
16.03
10:00
Weather
13°
0.1
6
16.03
11:00
Weather
14°
7
16.03
12:00
Weather
15°
0.6
8
16.03
13:00
Weather
16°
1.3
8
16.03
14:00
Weather
16°
2.7
9
16.03
15:00
Weather
16°
4.9
8
16.03
16:00
Weather
16°
1.7
9
16.03
17:00
Weather
17°
0.3
8
16.03
18:00
Weather
19°
0.2
10
16.03
19:00
Weather
21°
0.5
11

Temperature

21°C
9°C
20:00
10°C
21:00
10°C
22:00
10°C
23:00
9°C
00:00
9°C
01:00
10°C
02:00
11°C
03:00
11°C
04:00
12°C
05:00
11°C
06:00
11°C
07:00
11°C
08:00
12°C
09:00
12°C
10:00
13°C
11:00
14°C
12:00
15°C
13:00
16°C
14:00
16°C
15:00
16°C
16:00
16°C
17:00
17°C
18:00
19°C
19:00
21°C
20:00 07:00 19:00

Precipitation

4.9mm
0mm
04:00
0.6mm
05:00
2mm
06:00
1.6mm
07:00
0.2mm
08:00
0.3mm
09:00
0.4mm
10:00
0.1mm
12:00
0.6mm
13:00
1.3mm
14:00
2.7mm
15:00
4.9mm
16:00
1.7mm
17:00
0.3mm
18:00
0.2mm
19:00
0.5mm
20:00 07:00 19:00

Wind

11m/s
0m/s
20:00
6.6 m/s
21:00
6.1 m/s
22:00
6.4 m/s
23:00
7 m/s
00:00
7.3 m/s
01:00
7.2 m/s
02:00
7.4 m/s
03:00
7.9 m/s
04:00
7.7 m/s
05:00
7.9 m/s
06:00
7.5 m/s
07:00
7.8 m/s
08:00
7.1 m/s
09:00
5.6 m/s
10:00
5.6 m/s
11:00
6.5 m/s
12:00
7.5 m/s
13:00
7.8 m/s
14:00
8.8 m/s
15:00
8.1 m/s
16:00
8.6 m/s
17:00
7.7 m/s
18:00
10.1 m/s
19:00
11 m/s
20:00 07:00 19:00

Radiation

No sensor within 100 km.

We display the worst measurements from all stations in the area. This approach provides a more cautious assessment of air quality, accounting for local pollution sources.

AQI
90.1 km
71
23.7%

Measurement time: 2026-03-15 20:00

Calculated from PM2.5/PM10

O3
67.5 km
127.11 µg/m3
79.4%

Measurement time: 2026-03-15 21:07

source: OpenWeatherMap

PM2.5
90.1 km
22 µg/m3
26.2%

Measurement time: 2026-03-15 20:00

source: Aqicn

PM10
67.5 km
8.96 µg/m3
6.4%

Measurement time: 2026-03-15 21:07

source: OpenWeatherMap

CO
76.3 km
0.14726 mg/m3
1.1%

Measurement time: 2026-03-15 19:37

source: OpenWeatherMap

NO2
67.5 km
0.71 µg/m3
0.4%

Measurement time: 2026-03-15 21:07

source: OpenWeatherMap

SO2
76.3 km
0.76 µg/m3
0.2%

Measurement time: 2026-03-15 19:37

source: OpenWeatherMap

Info


Region: Delaware
Latitude: 39.78761
Longitude: -75.6966


Solar Energy

Very low
76.5 W/m²
Solar Radiation
Solar Calculator
Calculate energy production for Hockessin

About Air Quality in Hockessin

Air quality in Hockessin is monitored in real-time by sensors and measurement stations. On this page you'll find current data on major air pollutants including particulate matter PM2.5 and PM10, nitrogen dioxide (NO2), ozone (O3), and radiation levels.

Common Pollutants in Hockessin

  • PM2.5 - fine particulate matter up to 2.5 micrometers, particularly harmful to health
  • PM10 - particulate matter up to 10 micrometers from traffic and industry
  • NO2 - nitrogen dioxide mainly emitted by vehicles
  • O3 - tropospheric ozone formed in photochemical reactions

When is Air Quality Best in Hockessin?

Generally, the best air quality occurs:

  • Early morning (5:00-7:00 AM) before rush hour traffic
  • After rainfall which cleanses the atmosphere
  • During strong winds that disperse pollutants
  • In summer months when heating systems are less used

Tips for Runners in Hockessin

If you're planning outdoor activities in Hockessin, always check the current AQI value. When AQI exceeds 100, consider moving your workout indoors or shortening the distance. People with respiratory issues, children, and seniors should be especially cautious during elevated pollution levels. Choose routes away from busy streets and industrial areas.