Worst air pollution Ouchy - Lausanne, today and tomorrow
Today (16 July): Air quality in Ouchy is fair. AQI, NO2, and O3 are fair; PM2.5, PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 12:00 PM (O3: 38.1/100).
Tomorrow (17 July 2026): Air quality in Ouchy is fair. NO2 decreases to good; all other pollutants stay as today. Pollution peaks around 3:00 PM (O3: 33.7/100). 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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Ouchy's air quality benefits from its Lake Geneva harbourside position, with lake breezes providing reliable ventilation. Tourist and ferry traffic contribute modest local emissions to this popular lakeside quarter.
Today - 16 July | Pollution peaks at 12:00
AQI:
Fair
38.1/100
PM2.5 (fine particles):
Good
15.2/100
PM10 (coarse particles):
Good
7.0/100
NO2 (nitrogen dioxide):
Fair
24.3/100
O3 (ozone):
Fair
38.1/100
SO2 (sulfur dioxide):
Good
1.3/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
4.9/100
PM1 (ultrafine particles):
Good
15.6/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 15:00
AQI:
Fair
33.7/100
PM2.5 (fine particles):
Good
9.1/100
PM10 (coarse particles):
Good
8.9/100
NO2 (nitrogen dioxide):
Good
18.3/100
O3 (ozone):
Fair
33.7/100
SO2 (sulfur dioxide):
Good
1.0/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
3.8/100
PM1 (ultrafine particles):
Good
6.6/100
Other Landmarks in Lausanne
Frequently Asked Questions
Is air quality bad in Ouchy right now?
On 16 July 2026, overall air quality in Ouchy is fair. AQI is the main air quality indicator at 38.1/100. Pollution peaks around 12:00 PM (O3: 38.1/100).
Will air quality be worse tomorrow in Ouchy?
On 17 July 2026, air quality conditions in Ouchy will be similar to today, with AQI forecast at fair at 33.7/100. Pollution peaks around 3:00 PM (O3: 33.7/100).
When is air pollution at its worst in Ouchy?
The worst stretch for air quality at Ouchy tends to be a calm winter morning, when vehicle traffic and international commuter activity gather along the lakeshore under a layer of trapped cold air. Summer usually brings much better dispersion, aside from the odd ozone spike during a hot, still afternoon, and spring and autumn tend to be the steadiest months.
Are air quality levels in Ouchy 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?
Check air quality in other popular cities:
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