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Kennett Square (Pennsylvania) (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

Częściowe zachmurzenie
-0°C
Częściowe zachmurzenie
Humidity
86.7%
Wind
2 m/s
Pressure
1017.7 hPa
Direction
71°
Sunrise
05:00
Sunset
17:00
24h Forecast:
Temp.
-1° / 2°
Precip.
17.4mm
Max wind
8.1 m/s

Hourly Forecast

22.02
Now
Weather
-0°
22.02
07:00
Weather
-1°
0.1
22.02
08:00
Weather
22.02
09:00
Weather
22.02
10:00
Weather
22.02
11:00
Weather
22.02
12:00
Weather
0.2
22.02
13:00
Weather
0.3
22.02
14:00
Weather
0.7
22.02
15:00
Weather
0.6
22.02
16:00
Weather
0.8
22.02
17:00
Weather
0.8
22.02
18:00
Weather
1
22.02
19:00
Weather
1.5
5
22.02
20:00
Weather
1.2
6
22.02
21:00
Weather
0.8
8
22.02
22:00
Weather
0.9
8
22.02
23:00
Weather
1.2
8
23.02
00:00
Weather
-0°
1.3
7
23.02
01:00
Weather
-1°
1.4
7
23.02
02:00
Weather
-1°
1.6
8
23.02
03:00
Weather
-1°
1.3
8
23.02
04:00
Weather
-1°
0.8
8
23.02
05:00
Weather
-1°
0.9
8

Temperature

2°C
-1°C
06:00
-0°C
07:00
-1°C
08:00
0°C
09:00
1°C
10:00
1°C
11:00
1°C
12:00
1°C
13:00
1°C
14:00
1°C
15:00
1°C
16:00
1°C
17:00
1°C
18:00
1°C
19:00
2°C
20:00
1°C
21:00
1°C
22:00
1°C
23:00
0°C
00:00
-0°C
01:00
-1°C
02:00
-1°C
03:00
-1°C
04:00
-1°C
05:00
-1°C
06:00 17:00 05:00

Precipitation

1.6mm
0mm
07:00
0.1mm
12:00
0.2mm
13:00
0.3mm
14:00
0.7mm
15:00
0.6mm
16:00
0.8mm
17:00
0.8mm
18:00
1mm
19:00
1.5mm
20:00
1.2mm
21:00
0.8mm
22:00
0.9mm
23:00
1.2mm
00:00
1.3mm
01:00
1.4mm
02:00
1.6mm
03:00
1.3mm
04:00
0.8mm
05:00
0.9mm
06:00 17:00 05:00

Wind

8.1m/s
0m/s
06:00
2.2 m/s
07:00
2.2 m/s
08:00
2.7 m/s
09:00
2.5 m/s
10:00
2.6 m/s
11:00
3 m/s
12:00
2.9 m/s
13:00
3.7 m/s
14:00
3.1 m/s
15:00
4.3 m/s
16:00
4.3 m/s
17:00
4.5 m/s
18:00
4.6 m/s
19:00
5.1 m/s
20:00
6.4 m/s
21:00
7.5 m/s
22:00
7.7 m/s
23:00
7.6 m/s
00:00
7.3 m/s
01:00
7.4 m/s
02:00
7.8 m/s
03:00
8.1 m/s
04:00
8.1 m/s
05:00
8 m/s
06:00 17:00 05:00

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
51 km
136
45.3%

Measurement time: 2026-02-22 05:00

Calculated from PM2.5/PM10

PM2.5
51 km
50 µg/m3
59.5%

Measurement time: 2026-02-22 05:00

source: Aqicn

O3
61 km
44.25 µg/m3
27.7%

Measurement time: 2026-02-22 05:40

source: OpenWeatherMap

PM10
61 km
16.9 µg/m3
12.1%

Measurement time: 2026-02-22 05:40

source: OpenWeatherMap

NO2
51 km
13.9 µg/m3
7%

Measurement time: 2026-02-22 05:00

source: Aqicn

CO
61 km
0.27608 mg/m3
2%

Measurement time: 2026-02-22 05:40

source: OpenWeatherMap

SO2
51 km
1.5 µg/m3
0.4%

Measurement time: 2026-02-22 05:00

source: Aqicn

Info


Latitude: 39.84678
Longitude: -75.7116

Cities in the area:

About Air Quality in Kennett Square

Air quality in Kennett Square 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 Kennett Square

  • 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 Kennett Square?

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 Kennett Square

If you're planning outdoor activities in Kennett Square, 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.