Air Quality in Herisau, Switzerland
Rain
18.4°C · 87.3% humidity
18.4°
Feels 18.4°
24
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model
Nearby Monitoring Stations
Herisau's air quality — share it
AQI Forecast
54
7pm
54
54
24
10pm
33
39
43
1am
46
48
50
4am
51
52
33
7am
33
33
26
10am
27
27
27
1pm
27
27
27
4pm
27
27
Air Quality Index Trend
48h · 3 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.
87.3%
Humidity
25.6 km/h
Wind SSE
1014.5 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5
5.78 µg/m³
PM10▲
34.3 µg/m³
050100150200300500
What is the weather forecast for Herisau?
Temperature & Precipitation
PM2.5 Trend
48h · 3 stationsPM2.55.78 µg/m³
✓ WHO
Good
PM1034.3 µg/m³
Good
UV INDEX0.7
Low
What is the 7-day forecast for Herisau?
05-29
18.4° 10.8°
5.81 mm
05-30
15.9° 8.1°
4.75 mm
05-31
20.7° 9.4°
4.44 mm
06-01
21.9° 11.5°
5.94 mm
06-02
20.2° 11.6°
0.06 mm
06-03
16.4° 8.5°
0.38 mm
06-04
24.5° 16.0°
0.44 mm
Both models agree
Avg diff: 4.5°C
Where are air quality stations near Herisau?
19
L190 (3m von L53), L191, Bärenkreuzung L53, Austria
39
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 2026-05-29T20:11 UTC.