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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

Fair
20°C
Fair
Humidity
48.3%
Wind
4 m/s
Pressure
1021.6 hPa
Direction
290°
Sunrise
04:00
Sunset
16:00
24h Forecast:
Temp.
8° / 21°
Precip.
3.8mm
Max wind
4.7 m/s

Hourly Forecast

05.04
Now
Weather
20°
05.04
13:00
Weather
21°
05.04
14:00
Weather
20°
05.04
15:00
Weather
20°
05.04
16:00
Weather
19°
05.04
17:00
Weather
17°
0.1
05.04
18:00
Weather
13°
05.04
19:00
Weather
11°
0.2
05.04
20:00
Weather
0.1
05.04
21:00
Weather
05.04
22:00
Weather
10°
05.04
23:00
Weather
11°
0.6
06.04
00:00
Weather
10°
2.6
06.04
01:00
Weather
0.2
06.04
02:00
Weather
06.04
03:00
Weather
06.04
04:00
Weather
06.04
05:00
Weather
06.04
06:00
Weather
10°
06.04
07:00
Weather
10°
06.04
08:00
Weather
12°
06.04
09:00
Weather
13°
06.04
10:00
Weather
15°
06.04
11:00
Weather
16°

Temperature

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

Precipitation

2.6mm
0mm
17:00
0.1mm
19:00
0.2mm
20:00
0.1mm
23:00
0.6mm
00:00
2.6mm
01:00
0.2mm
12:00 23:00 11:00

Wind

4.7m/s
0m/s
12:00
3.6 m/s
13:00
4.4 m/s
14:00
4.7 m/s
15:00
4 m/s
16:00
3.2 m/s
17:00
1.4 m/s
18:00
2.1 m/s
19:00
3.3 m/s
20:00
3.4 m/s
21:00
1.8 m/s
22:00
2 m/s
23:00
2.3 m/s
00:00
2 m/s
01:00
1.6 m/s
02:00
1.4 m/s
03:00
1.5 m/s
04:00
1 m/s
05:00
1.6 m/s
06:00
1.2 m/s
07:00
1.2 m/s
08:00
0.8 m/s
09:00
1 m/s
10:00
1.5 m/s
11:00
1.9 m/s
12:00 23:00 11:00

Radiation

0.096 uSv
12.4 km
11.9%

Measurement time: 2026-04-05 09:00

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
66.3 km
65
21.7%

Measurement time: 2026-04-05 13:58

Calculated from PM2.5/PM10

O3
66.3 km
158.07 µg/m3
98.8%

Measurement time: 2026-04-05 13:58

source: OpenWeatherMap

PM2.5
66.3 km
18.94 µg/m3
22.5%

Measurement time: 2026-04-05 13:58

source: OpenWeatherMap

PM10
66.3 km
22.56 µg/m3
16.1%

Measurement time: 2026-04-05 13:58

source: OpenWeatherMap

CO
66.3 km
0.22031 mg/m3
1.6%

Measurement time: 2026-04-05 13:58

source: OpenWeatherMap

NO2
66.3 km
2.11 µg/m3
1.1%

Measurement time: 2026-04-05 13:58

source: OpenWeatherMap

SO2
66.3 km
0.74 µg/m3
0.2%

Measurement time: 2026-04-05 13:58

source: OpenWeatherMap

Info


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


Solar Energy

Moderate
440.9 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.