Worst air pollution Zermatt, today and tomorrow
Today (16 July): Air quality in Zermatt is fair. AQI and O3 are fair; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 5:00 PM (O3: 38.0/100).
Tomorrow (17 July 2026): Air quality in Zermatt is fair. All pollutants stay as today. Pollution peaks around 3:00 PM (O3: 36.1/100). Airmine updates local air quality forecasts four times daily.
For long term forecasts and maps, see the Airmine app
Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
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Zermatt's air quality benefits from its car-free status and high Alpine valley position beneath the Matterhorn, with only electric vehicles permitted, maintaining exceptionally clean conditions for a major Alpine resort.
Today - 16 July | Pollution peaks at 17:00
AQI:
Fair
38.0/100
PM2.5 (fine particles):
Good
5.5/100
PM10 (coarse particles):
Good
2.9/100
NO2 (nitrogen dioxide):
Good
0/100
O3 (ozone):
Fair
38.0/100
SO2 (sulfur dioxide):
Good
0/100
CO (carbon monoxide):
Good
0/100
HCHO (formaldehyde):
Good
2.5/100
PM1 (ultrafine particles):
Good
5.8/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 15:00
AQI:
Fair
36.1/100
PM2.5 (fine particles):
Good
5.1/100
PM10 (coarse particles):
Good
5.5/100
NO2 (nitrogen dioxide):
Good
0/100
O3 (ozone):
Fair
36.1/100
SO2 (sulfur dioxide):
Good
0/100
CO (carbon monoxide):
Good
0/100
HCHO (formaldehyde):
Good
1.6/100
PM1 (ultrafine particles):
Good
2.4/100
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Frequently Asked Questions
Is air quality bad in Zermatt right now?
On 16 July 2026, overall air quality in Zermatt is fair. AQI is the main air quality indicator at 38.0/100. Pollution peaks around 5:00 PM (O3: 38.0/100).
Will air quality be worse tomorrow in Zermatt?
On 17 July 2026, air quality conditions in Zermatt will be similar to today, with AQI forecast at fair at 36.1/100. Pollution peaks around 3:00 PM (O3: 36.1/100).
When is air pollution at its worst in Zermatt?
The worst stretch for air quality at Zermatt tends to arrive on a calm winter day, as vehicle traffic and orchard and vineyard machinery gather along the valley floor beneath the surrounding peaks. Warmer months bring noticeably better airflow through this dry valley, with only the occasional summer ozone spike breaking an otherwise clean pattern through spring and autumn.
Are air quality levels in Zermatt 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