Worst air pollution Wetzikon, today and tomorrow
Today (16 July): Air quality in Wetzikon is fair. NO2 is fair; AQI and O3 are medium; PM2.5, PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 1:00 PM (O3: 40.4/100).
Tomorrow (17 July 2026): Air quality in Wetzikon is fair. AQI worsens to fair; O3 increases to fair; all other pollutants stay as today. Pollution peaks around 1:00 AM (NO2: 35.6/100). Airmine updates local air quality forecasts four times daily.
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Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
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Wetzikon's air quality benefits from its elevated Zürich Oberland position, with vehicle traffic on regional roads the primary local source. The rolling upland terrain generally allows reasonable wind dispersal.
Today - 16 July | Pollution peaks at 13:00
AQI:
Medium
40.4/100
PM2.5 (fine particles):
Good
13.9/100
PM10 (coarse particles):
Good
5.6/100
NO2 (nitrogen dioxide):
Fair
32.0/100
O3 (ozone):
Medium
40.4/100
SO2 (sulfur dioxide):
Good
1.1/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
5.3/100
PM1 (ultrafine particles):
Good
15.7/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 01:00
AQI:
Fair
35.6/100
PM2.5 (fine particles):
Good
15.6/100
PM10 (coarse particles):
Good
5.9/100
NO2 (nitrogen dioxide):
Fair
35.6/100
O3 (ozone):
Fair
33.2/100
SO2 (sulfur dioxide):
Good
1.5/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
5.7/100
PM1 (ultrafine particles):
Good
18.2/100
Pollen forecast in Wetzikon
View pollen forecastFrequently Asked Questions
Is air quality bad in Wetzikon right now?
On 16 July 2026, overall air quality in Wetzikon is fair. NO2 is the main pollutant at 32.0/100. Pollution peaks around 1:00 PM (O3: 40.4/100).
Will air quality be worse tomorrow in Wetzikon?
On 17 July 2026, air quality conditions in Wetzikon will be similar to today, with AQI forecast at fair at 35.6/100. Pollution peaks around 1:00 AM (NO2: 35.6/100).
When is air pollution at its worst in Wetzikon?
The worst stretch for air quality at Wetzikon tends to be a calm winter morning, when vehicle traffic and dense urban activity gather along the lakeshore under a layer of cold, trapped air. The rest of the year sees much better conditions, with summer's ozone spikes limited to the hottest, stillest days, and spring and autumn generally reliable.
Are air quality levels in Wetzikon based on measurements or forecasts?
It is forecasts derived by downscaling forecasts provided by EU’s Copernicus Atmosphere Monitoring Service (CAMS) by taking into account local conditions such as traffic patterns. CAMS bases its forecast on satellite measurements of particles and chemical compounds in the atmosphere. Airmine’s services were developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team.
Want to see air quality forecasts for other cities in Switzerland?
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Data provided by Airmine — Last update: 16 July 2026 at 10:33 CEST (Data is updated four times daily.)
This forecast is produced independently using Airmine's own atmospheric data and models.
Unless explicitly made clear, the content on this site has not been paid for by external organisations and is Airmine's sole responsibility.
For long term forecasts and maps, see the Airmine app