What is the air quality in Winterthur today?

The current Air Quality Index (AQI) in Winterthur is 20 (Good). PM2.5 concentration is 4.74 µg/m³.

What is the temperature in Winterthur right now?

The current temperature in Winterthur is 10.8°C (feels like 10.8°C). Humidity is 98.1% and wind speed is 8.1 km/h.

Is it safe to go outside in Winterthur?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.7 (Low).

Air Quality in Winterthur, Switzerland

Heavy Rain

10.8°C · 98.1% humidity

10.8°

Feels 10.8°

Good

Air quality is satisfactory. Enjoy outdoor activities.

5 stations

Nearby Monitoring Stations

AQI Forecast Calibrated

10 1am

20 4am

12 7am

9 10am

8 1pm

7 4pm

8 7pm

10 10pm

Station readings

CAMS model adj -17

Air Quality Index Trend

46h · 4 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.

98.1%

Humidity

8.1 km/h

Wind WSW

1019.9 hPa

Pressure

0.7

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

4.74 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Winterthur?

Temperature & Precipitation

PM2.5 Trend

46h · 4 stations

PM2.54.74 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.7

Low

Station readings (5 stations within 25 km)

4.74

Median

4.95

Average

2.36

Low

7.4

High

PM2.5 µg/m³ · Model: 6.15 · Bias: +1.4

What is the 7-day forecast for Winterthur?

06-09

23.1° 9.5°

20.87 mm

06-10

22.9° 11.4°

1.81 mm

06-11

23.1° 11.9°

7.37 mm

06-12

25.4° 10.3°

11.44 mm

06-13

26.1° 9.1°

12.19 mm

06-14

27.9° 10.9°

0.06 mm

06-15

30.1° 10.8°

Both models agree Avg diff: 3.1°C

Where are air quality stations near Winterthur?

Kindhausen

11.5 km 17.1°C PM2.5: 3.2 µg/m³ PM10: 3.2 µg/m³

Tanikon, Switzerland

13.9 km PM2.5: 12.1 µg/m³

Tanikon, Switzerland

13.9 km PM2.5: 6.7 µg/m³

Dubendorf Empa, Switzerland

14.1 km PM2.5: 4.1 µg/m³

switzerland-schaffhausen-auf-der-platte

23.9 km PM2.5: 8.5 µg/m³ PM10: 9.5 µg/m³

Stonehenge

24.5 km PM2.5: 1.0 µg/m³ PM10: 1.0 µg/m³

Adliswil

26.3 km PM2.5: 7.0 µg/m³ PM10: 7.2 µg/m³

What cities are near Winterthur?

19 Stadt Winterthur (Kreis 1) 24 Oberwinterthur (Kreis 2) 22 Seen (Kreis 3) 20 Kloten 17 Bülach 28 Frauenfeld 18 Dübendorf 25 Zürich (Kreis 12) 25 Zürich (Kreis 11) / Seebach 28 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 2026-06-09T02:02 UTC.