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Würenlos (Aargau) (CH)

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

Fog
-1°C
Fog
Humidity
98.7%
Wind
1 m/s
Pressure
1012 hPa
Direction
143°
Sunrise
05:00
Sunset
17:00
24h Forecast:
Temp.
-2° / 5°
Precip.
0mm
Max wind
1.9 m/s

Hourly Forecast

01.02
Now
Weather
-1°
01.02
07:00
Weather
-1°
01.02
08:00
Weather
-0°
01.02
09:00
Weather
01.02
10:00
Weather
01.02
11:00
Weather
01.02
12:00
Weather
01.02
13:00
Weather
01.02
14:00
Weather
01.02
15:00
Weather
01.02
16:00
Weather
01.02
17:00
Weather
01.02
18:00
Weather
-0°
01.02
19:00
Weather
-1°
01.02
20:00
Weather
-1°
01.02
21:00
Weather
-1°
01.02
22:00
Weather
-1°
01.02
23:00
Weather
-1°
02.02
00:00
Weather
-1°
02.02
01:00
Weather
-2°
02.02
02:00
Weather
-2°
02.02
03:00
Weather
-2°
02.02
04:00
Weather
-2°
02.02
05:00
Weather
-2°

Temperature

5°C
-2°C
06:00
-1°C
07:00
-1°C
08:00
-0°C
09:00
1°C
10:00
2°C
11:00
3°C
12:00
4°C
13:00
5°C
14:00
5°C
15:00
5°C
16:00
2°C
17:00
1°C
18:00
-0°C
19:00
-1°C
20:00
-1°C
21:00
-1°C
22:00
-1°C
23:00
-1°C
00:00
-1°C
01:00
-2°C
02:00
-2°C
03:00
-2°C
04:00
-2°C
05:00
-2°C
06:00 17:00 05:00

Precipitation

0mm
0mm
06:00 17:00 05:00

Wind

1.9m/s
0m/s
06:00
1.1 m/s
07:00
1.2 m/s
08:00
1.2 m/s
09:00
1 m/s
10:00
0.9 m/s
11:00
0.9 m/s
12:00
1 m/s
13:00
0.8 m/s
14:00
1.2 m/s
15:00
1.1 m/s
16:00
1.2 m/s
17:00
1.9 m/s
18:00
1.6 m/s
19:00
1.2 m/s
20:00
1.5 m/s
21:00
1.3 m/s
22:00
1.1 m/s
23:00
1.2 m/s
00:00
1.4 m/s
01:00
1.4 m/s
02:00
1.4 m/s
03:00
0.9 m/s
04:00
1 m/s
05:00
1 m/s
06:00 17:00 05:00

Radiation

0.099 uSv
11.9 km
12.4%

Measurement time: 2026-02-01 03:00

source: remap_europe

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
59.6 km
144
48%

Measurement time: 2026-02-01 07:00

Calculated from PM2.5/PM10

PM2.5
59.6 km
53 µg/m3
63.1%

Measurement time: 2026-02-01 07:00

source: Aqicn

O3
48.6 km
63.76 µg/m3
39.8%

Measurement time: 2026-02-01 05:41

source: OpenWeatherMap

PM10
48.6 km
21.69 µg/m3
15.5%

Measurement time: 2026-02-01 05:41

source: OpenWeatherMap

NO2
48.6 km
9.7 µg/m3
4.9%

Measurement time: 2026-02-01 05:41

source: OpenWeatherMap

CO
48.6 km
0.25938 mg/m3
1.9%

Measurement time: 2026-02-01 05:41

source: OpenWeatherMap

SO2
48.6 km
4.6 µg/m3
1.3%

Measurement time: 2026-02-01 05:41

source: OpenWeatherMap

Info


Country: Switzerland
Region: Aargau
Latitude: 47.44205
Longitude: 8.36261


Solar Energy

Very low
78.9 W/m²
Solar Radiation
Solar Calculator
Calculate energy production for Würenlos

About Air Quality in Würenlos

Air quality in Würenlos 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 Würenlos

  • 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 Würenlos?

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 Würenlos

If you're planning outdoor activities in Würenlos, 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.