Air Quality in Herisau, Switzerland
Overcast
9.1°C · 97.0% humidity
9.1°
Feels 6.6°
25
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast
Nearby Monitoring Stations
Herisau's air quality — share it
AQI Forecast
27
3am
25
25
25
6am
25
25
25
9am
25
25
25
12pm
24
24
25
3pm
25
24
24
6pm
24
25
25
9pm
25
25
27
12am
27
25
Air Quality Index Trend
48h · 5 stnHerisau's air quality is shaped by traffic emissions and residential heating. Pollution levels tend to peak during winter months when cold air traps emissions close to ground level.
97.0%
Humidity
16.8 km/h
Wind WSW
1023.3 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
6.0 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Herisau?
Temperature & Precipitation
PM2.5 Trend
48h · 5 stationsPM2.56.0 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
What is the 7-day forecast for Herisau?
06-09
22.4° 9.1°
19.25 mm
06-10
22.0° 12.0°
3.19 mm
06-11
19.8° 12.6°
11.12 mm
06-12
23.3° 10.8°
14.19 mm
06-13
23.4° 8.8°
14.56 mm
06-14
25.4° 12.9°
0.06 mm
06-15
27.4° 11.2°
0.13 mm
Both models agree
Avg diff: 4.6°C
Where are air quality stations near Herisau?
1
L190 (3m von L53), L191, Bärenkreuzung L53, Austria
71
L190 (3m von L53), L191, Bärenkreuzung L53, Austria
What cities are near Herisau?
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-06-09T04:11 UTC.