Worst air pollution Plainpalais - Geneva, today and tomorrow

Today (16 July): Air quality in Plainpalais 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: 39.5/100).
Tomorrow (17 July 2026): Air quality in Plainpalais is fair. NO2 decreases to good; all other pollutants stay as today. Pollution peaks around 7:00 PM (O3: 36.8/100). 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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Plainpalais' air quality reflects its dense university-adjacent character, with vehicle traffic on surrounding streets the primary local source, partially offset by the large open square's ventilation.

Today - 16 July | Pollution peaks at 12:00

AQI:

Fair

39.5/100

PM2.5 (fine particles):

Good

16.2/100

PM10 (coarse particles):

Good

7.0/100

NO2 (nitrogen dioxide):

Fair

22.6/100

O3 (ozone):

Fair

39.5/100

SO2 (sulfur dioxide):

Good

1.4/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

9.4/100

PM1 (ultrafine particles):

Good

16.6/100

Levels show the poorest local air quality during the day

Tomorrow - 17 July | Pollution peaks at 19:00

AQI:

Fair

36.8/100

PM2.5 (fine particles):

Good

9.1/100

PM10 (coarse particles):

Good

6.1/100

NO2 (nitrogen dioxide):

Good

19.5/100

O3 (ozone):

Fair

36.8/100

SO2 (sulfur dioxide):

Good

0.9/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

4.3/100

PM1 (ultrafine particles):

Good

7.4/100

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Frequently Asked Questions

Is air quality bad in Plainpalais right now?

On 16 July 2026, overall air quality in Plainpalais is fair. AQI is the main air quality indicator at 39.5/100. Pollution peaks around 12:00 PM (O3: 39.5/100).

Will air quality be worse tomorrow in Plainpalais?

On 17 July 2026, air quality conditions in Plainpalais will be similar to today, with AQI forecast at fair at 36.8/100. Pollution peaks around 7:00 PM (O3: 36.8/100).

When is air pollution at its worst in Plainpalais?

On a rare still winter morning, vehicle traffic and international commuter activity at Plainpalais settle along the lake basin and linger, pushing readings to their worst point of the year. Once spring arrives, dispersion improves steadily, and summer stays largely clear except during rare heatwaves; autumn tends to be another comparatively mild, steady stretch.

Are air quality levels in Plainpalais 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