Air Quality in Herisau, Switzerland
Partly Cloudy
17.7°C · 67.0% humidity
17.7°
Feels 17.7°
19
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model
Nearby Monitoring Stations
Herisau's air quality — share it
AQI Forecast
25
10am
25
25
19
1pm
20
22
23
4pm
23
23
23
7pm
25
25
25
10pm
25
27
27
1am
25
25
25
4am
25
25
25
7am
25
25
Air Quality Index Trend
47h · 2 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.
67.0%
Humidity
24.8 km/h
Wind N
1015.8 hPa
Pressure
2.9
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
4.46 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Herisau?
Temperature & Precipitation
PM2.5 Trend
47h · 2 stationsPM2.54.46 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX2.9
Moderate
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: 5.0°C
Where are air quality stations near Herisau?
24
L190 (3m von L53), L191, Bärenkreuzung L53, Austria
22
L190 (3m von L53), L191, Bärenkreuzung L53, Austria
What cities are near Herisau?
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-06-09T11:07 UTC.