Worst air pollution Chailly - Lausanne, today and tomorrow
Today (16 July): Air quality in Chailly is fair. AQI and O3 are fair; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 12:00 PM (O3: 38.1/100).
Tomorrow (17 July 2026): Air quality in Chailly is fair. All 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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Chailly's air quality reflects its eastern Lausanne residential position, with vehicle traffic on surrounding streets contributing modest local emissions within the broader Lake Geneva basin's topography.
Today - 16 July | Pollution peaks at 12:00
AQI:
Fair
38.1/100
PM2.5 (fine particles):
Good
13.7/100
PM10 (coarse particles):
Good
6.3/100
NO2 (nitrogen dioxide):
Good
18.6/100
O3 (ozone):
Fair
38.1/100
SO2 (sulfur dioxide):
Good
0.9/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
4.9/100
PM1 (ultrafine particles):
Good
13.9/100
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
8.2/100
PM10 (coarse particles):
Good
8.0/100
NO2 (nitrogen dioxide):
Good
13.2/100
O3 (ozone):
Fair
33.7/100
SO2 (sulfur dioxide):
Good
0.7/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
3.8/100
PM1 (ultrafine particles):
Good
5.9/100
Other Landmarks in Lausanne
Frequently Asked Questions
Is air quality bad in Chailly right now?
On 16 July 2026, overall air quality in Chailly 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 Chailly?
On 17 July 2026, air quality conditions in Chailly 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 Chailly?
On a rare still winter morning, vehicle traffic and international commuter activity at Chailly settle along the lake basin and linger, pushing readings to their worst point of the year. 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 Chailly 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