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Altendorf (Schwyz) (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

Cloudy
6°C
Cloudy
Humidity
92.4%
Wind
3 m/s
Pressure
1023.5 hPa
Direction
195°
Sunrise
05:00
Sunset
17:00
24h Forecast:
Temp.
5° / 13°
Precip.
0.1mm
Max wind
5.2 m/s

Hourly Forecast

23.02
Now
Weather
23.02
07:00
Weather
23.02
08:00
Weather
23.02
09:00
Weather
23.02
10:00
Weather
10°
23.02
11:00
Weather
12°
23.02
12:00
Weather
13°
23.02
13:00
Weather
12°
23.02
14:00
Weather
12°
23.02
15:00
Weather
12°
5
23.02
16:00
Weather
11°
5
23.02
17:00
Weather
10°
23.02
18:00
Weather
23.02
19:00
Weather
10°
23.02
20:00
Weather
10°
23.02
21:00
Weather
10°
23.02
22:00
Weather
10°
23.02
23:00
Weather
10°
24.02
00:00
Weather
10°
24.02
01:00
Weather
24.02
02:00
Weather
24.02
03:00
Weather
0.1
24.02
04:00
Weather
24.02
05:00
Weather

Temperature

13°C
5°C
06:00
6°C
07:00
5°C
08:00
6°C
09:00
8°C
10:00
10°C
11:00
12°C
12:00
13°C
13:00
12°C
14:00
12°C
15:00
12°C
16:00
11°C
17:00
10°C
18:00
9°C
19:00
10°C
20:00
10°C
21:00
10°C
22:00
10°C
23:00
10°C
00:00
10°C
01:00
9°C
02:00
9°C
03:00
9°C
04:00
9°C
05:00
9°C
06:00 17:00 05:00

Precipitation

0.1mm
0mm
03:00
0.1mm
06:00 17:00 05:00

Wind

5.2m/s
0m/s
06:00
2.8 m/s
07:00
1.8 m/s
08:00
2.3 m/s
09:00
2 m/s
10:00
2.2 m/s
11:00
2.9 m/s
12:00
4 m/s
13:00
5 m/s
14:00
4.6 m/s
15:00
5.2 m/s
16:00
5.2 m/s
17:00
4.4 m/s
18:00
4.6 m/s
19:00
4 m/s
20:00
3.9 m/s
21:00
4.4 m/s
22:00
5 m/s
23:00
5 m/s
00:00
5 m/s
01:00
4 m/s
02:00
3.2 m/s
03:00
2.9 m/s
04:00
3.2 m/s
05:00
3.4 m/s
06:00 17:00 05:00

Radiation

0.1 uSv
12.4 km
12.4%

Measurement time: 2026-02-23 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
42.5 km
68
22.7%

Measurement time: 2026-02-23 07:13

Calculated from PM2.5/PM10

O3
42.5 km
69.87 µg/m3
43.7%

Measurement time: 2026-02-23 07:13

source: OpenWeatherMap

PM2.5
42.5 km
20.3 µg/m3
24.2%

Measurement time: 2026-02-23 07:13

source: OpenWeatherMap

PM10
42.5 km
22.04 µg/m3
15.7%

Measurement time: 2026-02-23 07:13

source: OpenWeatherMap

NO2
42.5 km
10.57 µg/m3
5.3%

Measurement time: 2026-02-23 07:13

source: OpenWeatherMap

CO
42.5 km
0.34517 mg/m3
2.5%

Measurement time: 2026-02-23 07:13

source: OpenWeatherMap

SO2
42.5 km
4.17 µg/m3
1.2%

Measurement time: 2026-02-23 07:13

source: OpenWeatherMap

Info


Country: Switzerland
Region: Schwyz
Latitude: 47.18994
Longitude: 8.83823


Solar Energy

Low
130.5 W/m²
Solar Radiation
Solar Calculator
Calculate energy production for Altendorf

About Air Quality in Altendorf

Air quality in Altendorf 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 Altendorf

  • 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 Altendorf?

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 Altendorf

If you're planning outdoor activities in Altendorf, 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.