Air Quality in Herisau, Switzerland

Rain
10.9°C · 97.7% humidity
10.9°
Feels 10.9°
10
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations

Nearby Monitoring Stations

AQI Forecast
54 1am
54
27
10 4am
14
17
19 7am
21
22
23 10am
24
24
23 1pm
23
25
25 4pm
24
24
24 7pm
25
25
25 10pm
25
27
AD 728×90

Air Quality Index Trend

48h · 4 stn

Herisau'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.

97.7%
Humidity
23.7 km/h
Wind WSW
1019.8 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
PM2.5
10
2.31 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

Temperature & Precipitation

PM2.5 Trend

48h · 4 stations
PM2.52.31 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
2.31
Median
2.3
Average
2.2
Low
2.4
High
PM2.5 µg/m³ · Model: 6.0 · Bias: +3.7
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
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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 2026-06-09T02:17 UTC.