Worst air pollution Kreis 6 (Unterstrass/Oberstrass) - Zürich, today and tomorrow

Today (16 July): Air quality in Kreis 6 (Unterstrass/Oberstrass) is medium. AQI, NO2, and O3 are medium; PM2.5, PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 2:00 PM (O3: 43.5/100).
Tomorrow (17 July 2026): Air quality in Kreis 6 (Unterstrass/Oberstrass) is fair. O3 increases to fair; PM1 increases to fair; all other pollutants stay as today. Pollution peaks around 12:00 AM (NO2: 43.0/100). Airmine updates local air quality forecasts four times daily.

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Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team

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Kreis 6's air quality benefits from its university-district character with moderate traffic, alongside nearby parkland. Vehicle traffic on the Universitätstrasse contributes background emissions to this academic quarter.

Today - 16 July | Pollution peaks at 14:00

AQI:

Medium

43.5/100

PM2.5 (fine particles):

Good

15.6/100

PM10 (coarse particles):

Good

6.0/100

NO2 (nitrogen dioxide):

Medium

43.5/100

O3 (ozone):

Medium

43.5/100

SO2 (sulfur dioxide):

Good

1.4/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

5.3/100

PM1 (ultrafine particles):

Good

17.0/100

Levels show the poorest local air quality during the day

Tomorrow - 17 July | Pollution peaks at 00:00

AQI:

Medium

43.0/100

PM2.5 (fine particles):

Good

17.8/100

PM10 (coarse particles):

Good

6.6/100

NO2 (nitrogen dioxide):

Medium

43.0/100

O3 (ozone):

Fair

33.7/100

SO2 (sulfur dioxide):

Good

1.6/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

5.3/100

PM1 (ultrafine particles):

Fair

21.1/100

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Frequently Asked Questions

Is air quality bad in Kreis 6 (Unterstrass/Oberstrass) right now?

On 16 July 2026, overall air quality in Kreis 6 (Unterstrass/Oberstrass) is medium. AQI is the main air quality indicator at 43.5/100. Pollution peaks around 2:00 PM (O3: 43.5/100).

Will air quality be worse tomorrow in Kreis 6 (Unterstrass/Oberstrass)?

On 17 July 2026, air quality conditions in Kreis 6 (Unterstrass/Oberstrass) will be worse than today, with O3 forecast at fair at 33.7/100. Pollution peaks around 12:00 AM (NO2: 43.0/100).

When is air pollution at its worst in Kreis 6 (Unterstrass/Oberstrass)?

The worst stretch for air quality at Kreis 6 (Unterstrass/Oberstrass) tends to be a calm winter morning, when vehicle traffic and dense urban activity gather along the lakeshore under a layer of cold, trapped 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 overall.

Are air quality levels in Kreis 6 (Unterstrass/Oberstrass) 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.

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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