What is the air quality in Winterthur today?

The current Air Quality Index (AQI) in Winterthur is 6 (Good). PM2.5 concentration is 1.45 µg/m³.

What is the temperature in Winterthur right now?

The current temperature in Winterthur is 10.9°C (feels like 10.9°C). Humidity is 71.5% and wind speed is 22.9 km/h.

Is it safe to go outside in Winterthur?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.0 (Low).

Air Quality in Winterthur, Switzerland

Cloudy

10.9°C · 71.5% humidity

10.9°

Feels 10.9°

Good

Air quality is satisfactory. Enjoy outdoor activities.

2 stations

Nearby Monitoring Stations

AQI Forecast

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Station readings 4h ago

AQI 39

PM2.5 9.4 µg/m³ · 4h ago

Air Quality Index Trend

44h · 3 stn

View full history →

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.

71.5%

Humidity

22.9 km/h

Wind NNW

1022.4 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5

1.45 µg/m³

PM10▲

13.7 µg/m³

050100150200300500

What is the weather forecast for Winterthur?

Temperature & Precipitation

PM2.5 Trend

44h · 3 stations

PM2.51.45 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

Station readings (2 stations within 25 km)

1.45

Median

1.45

Average

1.2

Low

1.7

High

PM2.5 µg/m³ · Model: 5.8 · Bias: +4.3

What is the 7-day forecast for Winterthur?

10-21

12.4° -2.1°

10-22

18.1° 5.4°

2.87 mm

10-23

7.9° 4.4°

2.81 mm

10-24

6.5° 2.9°

10-25

15.7° 1.3°

10-26

8.1° 4.5°

1.13 mm

10-27

13.0° 2.3°

0.06 mm

Both models agree Avg diff: 4.0°C

Where are air quality stations near Winterthur?

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Kindhausen

11.5 km 9.5°C PM2.5: 0.0 µg/m³ PM10: 0.0 µg/m³

Tanikon, Switzerland

13.9 km PM2.5: 1.7 µg/m³

Dubendorf Empa, Switzerland

14.1 km PM2.5: 1.2 µg/m³

Zurich

19.8 km PM2.5: 9.1 µg/m³

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switzerland-schaffhausen-auf-der-platte

23.9 km PM2.5: 0.0 µg/m³ PM10: 0.0 µg/m³

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Stonehenge

24.5 km PM2.5: 0.0 µg/m³ PM10: 0.0 µg/m³

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Adliswil

26.3 km PM2.5: 0.0 µg/m³ PM10: 0.0 µg/m³

What cities are near Winterthur?

6 Stadt Winterthur (Kreis 1) 7 Oberwinterthur (Kreis 2) 6 Seen (Kreis 3) 5 Kloten 5 Bülach 14 Frauenfeld 5 Dübendorf 5 Zürich (Kreis 12) 5 Zürich (Kreis 11) / Seebach 5 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 2026-10-21T09:15 UTC.