Worst air pollution Cassarate - Lugano, today and tomorrow

Today (16 July): Air quality in Cassarate is medium. AQI and O3 are medium; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 5:00 PM (O3: 53.9/100).
Tomorrow (17 July 2026): Air quality in Cassarate is medium. All pollutants stay as today. Pollution peaks around 3:00 PM (O3: 47.9/100). 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

Use our Strava plugin to check your own exposure.

Cassarate's air quality reflects its position within Lugano's enclosed lake basin, with vehicle traffic on surrounding streets contributing local sources under the basin's characteristic winter inversion tendency.

Today - 16 July | Pollution peaks at 17:00

AQI:

Medium

53.9/100

PM2.5 (fine particles):

Good

9.4/100

PM10 (coarse particles):

Good

3.7/100

NO2 (nitrogen dioxide):

Good

5.9/100

O3 (ozone):

Medium

53.9/100

SO2 (sulfur dioxide):

Good

0.5/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

10.5/100

PM1 (ultrafine particles):

Good

10.4/100

Levels show the poorest local air quality during the day

Tomorrow - 17 July | Pollution peaks at 15:00

AQI:

Medium

47.9/100

PM2.5 (fine particles):

Good

9.5/100

PM10 (coarse particles):

Good

5.0/100

NO2 (nitrogen dioxide):

Good

6.8/100

O3 (ozone):

Medium

47.9/100

SO2 (sulfur dioxide):

Good

0.5/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

14.7/100

PM1 (ultrafine particles):

Good

10.7/100

Other Landmarks in Lugano

Sports venues in Lugano

Frequently Asked Questions

Is air quality bad in Cassarate right now?

On 16 July 2026, overall air quality in Cassarate is medium. AQI is the main air quality indicator at 53.9/100. Pollution peaks around 5:00 PM (O3: 53.9/100).

Will air quality be worse tomorrow in Cassarate?

On 17 July 2026, air quality conditions in Cassarate will be similar to today, with AQI forecast at medium at 47.9/100. Pollution peaks around 3:00 PM (O3: 47.9/100).

When is air pollution at its worst in Cassarate?

Cassarate sees its worst air quality on windless winter mornings, when vehicle traffic and tourism pool in this mild southern basin under a shallow layer of still air. Things generally improve from spring onward, as this sheltered valley's breezes return more consistently, save for an occasional hot-weather ozone peak; autumn stays mostly mild.

Are air quality levels in Cassarate 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