Air Quality in Winterthur, Switzerland
Partly Cloudy
22.7°C · 61.0% humidity
22.7°
Feels 22.7°
26
Good
Air quality is satisfactory. Enjoy outdoor activities.
3 stations
Nearby Monitoring Stations
Winterthur's air quality — share it
AQI Forecast
Calibrated
6
12pm
4
4
26
3pm
20
15
12
6pm
9
8
7
9pm
6
6
5
12am
7
7
6
3am
6
13
13
6am
13
13
13
9am
13
4
Station readings
5
4
CAMS model
adj -21
27
25
25
25
25
25
25
24
25
25
25
25
25
27
27
27
27
34
34
34
34
34
34
25
Air Quality Index Trend
45h · 1 stnWinterthur'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.
61.0%
Humidity
22.5 km/h
Wind WSW
1020.0 hPa
Pressure
12.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
6.24 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Winterthur?
Temperature & Precipitation
PM2.5 Trend
45h · 1 stationPM2.56.24 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX12.9
Extreme
Station readings (3 stations within 25 km)
6.24
Median
6.17
Average
5.8
Low
6.5
High
PM2.5 µg/m³ · Model: 6.0 · Bias: -0.2
What is the 7-day forecast for Winterthur?
09-05
22.7° 9.5°
1.0 mm
09-06
18.2° 12.0°
7.75 mm
09-07
22.3° 9.8°
2.0 mm
09-08
21.1° 11.0°
0.06 mm
09-09
20.6° 11.5°
0.69 mm
09-10
26.4° 10.8°
0.69 mm
09-11
20.5° 5.3°
0.06 mm
Both models agree
Avg diff: 4.8°C
Where are air quality stations near Winterthur?
–
Kindhausen
22
Tanikon, Switzerland
27
Dubendorf Empa, Switzerland
20
Zurich Kaserne, Switzerland
–
switzerland-schaffhausen-auf-der-platte
–
Stonehenge
4
Adliswil
What cities are near Winterthur?
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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 2026-09-05T13:42 UTC.