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Gossau (Saint Gallen) (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
-0°C
Cloudy
Humidity
86.4%
Wind
1 m/s
Pressure
1008 hPa
Direction
164°
Sunrise
05:00
Sunset
17:00
24h Forecast:
Temp.
-2° / 7°
Precip.
0mm
Max wind
2.6 m/s

Hourly Forecast

01.02
Now
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
-0°
02.02
00:00
Weather
02.02
01:00
Weather
02.02
02:00
Weather
02.02
03:00
Weather
02.02
04:00
Weather
02.02
05:00
Weather
02.02
06:00
Weather
-2°
02.02
07:00
Weather
-2°
02.02
08:00
Weather
-0°
02.02
09:00
Weather
02.02
10:00
Weather
02.02
11:00
Weather
02.02
12:00
Weather
02.02
13:00
Weather
02.02
14:00
Weather
02.02
15:00
Weather
02.02
16:00
Weather
02.02
17:00
Weather

Temperature

7°C
-2°C
18:00
-0°C
19:00
-1°C
20:00
-1°C
21:00
-1°C
22:00
-1°C
23:00
-0°C
00:00
1°C
01:00
2°C
02:00
2°C
03:00
2°C
04:00
1°C
05:00
0°C
06:00
-2°C
07:00
-2°C
08:00
-0°C
09:00
3°C
10:00
4°C
11:00
5°C
12:00
6°C
13:00
7°C
14:00
7°C
15:00
6°C
16:00
2°C
17:00
4°C
18:00 05:00 17:00

Precipitation

0mm
0mm
18:00 05:00 17:00

Wind

2.6m/s
0m/s
18:00
1.4 m/s
19:00
1.6 m/s
20:00
1.6 m/s
21:00
1.4 m/s
22:00
1.1 m/s
23:00
1.2 m/s
00:00
1.2 m/s
01:00
1.2 m/s
02:00
1.1 m/s
03:00
1.2 m/s
04:00
1.7 m/s
05:00
1.7 m/s
06:00
1.7 m/s
07:00
1.6 m/s
08:00
1.4 m/s
09:00
1.4 m/s
10:00
1.6 m/s
11:00
1.8 m/s
12:00
2 m/s
13:00
2 m/s
14:00
1.9 m/s
15:00
1.1 m/s
16:00
1.8 m/s
17:00
2.6 m/s
18:00 05:00 17:00

Radiation

0.103 uSv
11 km
12.9%

Measurement time: 2026-02-01 16:00

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
48.3 km
152
50.7%

Measurement time: 2026-02-01 17:00

Calculated from PM2.5/PM10

PM2.5
48.3 km
58 µg/m3
69%

Measurement time: 2026-02-01 17:00

source: Aqicn

O3
41.8 km
72.25 µg/m3
45.2%

Measurement time: 2026-02-01 18:51

source: OpenWeatherMap

PM10
41.8 km
17.85 µg/m3
12.8%

Measurement time: 2026-02-01 18:51

source: OpenWeatherMap

NO2
48.3 km
12 µg/m3
6%

Measurement time: 2026-02-01 17:00

source: Aqicn

CO
41.8 km
0.25804 mg/m3
1.8%

Measurement time: 2026-02-01 18:51

source: OpenWeatherMap

SO2
41.8 km
1.29 µg/m3
0.4%

Measurement time: 2026-02-01 18:51

source: OpenWeatherMap

Info


Country: Switzerland
Latitude: 47.41551
Longitude: 9.25482

Cities in the area:


Solar Energy

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0 W/m²
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About Air Quality in Gossau

Air quality in Gossau 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 Gossau

  • 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 Gossau?

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 Gossau

If you're planning outdoor activities in Gossau, 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.