Air Quality in Winterthur, Switzerland

Cloudy
13.0°C · 75.0% humidity
13.0°
Feels 13.0°
19
Good
Air quality is satisfactory. Enjoy outdoor activities.
4 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
3 8pm
5
5
19 11pm
17
36
35 2am
7
6
6 5am
6
5
5 8am
5
5
5 11am
5
5
5 2pm
3
3
3 5pm
3
3
Station readings
3
22
5
5
CAMS model adj -22
27
27
34
34
34
54
54
27
27
27
27
27
27
27
27
27
27
27
27
25
25
25
25
25
AD 728×90

Air Quality Index Trend

48h · 2 stn

Winterthur'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.

75.0%
Humidity
7.0 km/h
Wind ENE
1015.4 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
19
4.57 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Winterthur?

Temperature & Precipitation

PM2.5 Trend

48h · 2 stations
PM2.54.57 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (4 stations within 25 km)
4.57
Median
5.62
Average
0.67
Low
8.9
High
PM2.5 µg/m³ · Model: 7.1 · Bias: +2.5

What is the 7-day forecast for Winterthur?

07-21
28.2° 14.6°
0.06 mm
07-22
26.5° 13.0°
0.25 mm
07-23
22.0° 15.9°
0.69 mm
07-24
23.2° 12.2°
07-25
29.9° 11.7°
6.06 mm
07-26
33.1° 14.3°
5.19 mm
07-27
28.1° 15.6°
6.56 mm
Both models agree Avg diff: 2.5°C

Where are air quality stations near Winterthur?

3
Kindhausen
11.5 km 14.9°C PM2.5: 0.7 µg/m³ PM10: 1.7 µg/m³
27
Tanikon, Switzerland
13.9 km PM2.5: 6.5 µg/m³
78
Tanikon, Switzerland
13.9 km PM2.5: 24.9 µg/m³
6
Dubendorf Empa, Switzerland
14.1 km PM2.5: 1.4 µg/m³
–
switzerland-schaffhausen-auf-der-platte
23.9 km PM2.5: 0.0 µg/m³ PM10: 0.0 µg/m³
–
Stonehenge
24.5 km PM2.5: 0.0 µg/m³ PM10: 0.0 µg/m³
17
Adliswil
26.3 km PM2.5: 4.1 µg/m³ PM10: 4.3 µg/m³

What cities are near Winterthur?

18 Stadt Winterthur (Kreis 1) 21 Oberwinterthur (Kreis 2) 19 Seen (Kreis 3) 24 Kloten 23 Bülach 24 Frauenfeld 28 Dübendorf 28 Zürich (Kreis 12) 28 Zürich (Kreis 11) / Seebach 31 Zürich (Kreis 11) / Oerlikon
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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 2026-07-21T21:57 UTC.