Worst air pollution Grossmünster - Zürich, today and tomorrow

Today (16 July): Air quality in Grossmünster is fair. NO2 is fair; AQI 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 Grossmünster is fair. AQI worsens to fair; O3 increases to fair; 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.

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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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Grossmünster's air quality reflects Zürich's dense historic core, with pedestrian zones limiting through-traffic while surrounding Limmatquai streets contribute background emissions to this central riverside landmark.

Today - 16 July | Pollution peaks at 14:00

AQI:

Medium

43.5/100

PM2.5 (fine particles):

Good

12.7/100

PM10 (coarse particles):

Good

4.9/100

NO2 (nitrogen dioxide):

Fair

25.8/100

O3 (ozone):

Medium

43.5/100

SO2 (sulfur dioxide):

Good

0.7/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

5.3/100

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

14.5/100

PM10 (coarse particles):

Good

5.4/100

NO2 (nitrogen dioxide):

Fair

25.2/100

O3 (ozone):

Fair

33.7/100

SO2 (sulfur dioxide):

Good

0.7/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

5.3/100

PM1 (ultrafine particles):

Good

17.6/100

Other Landmarks in Zürich

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Frequently Asked Questions

Is air quality bad in Grossmünster right now?

On 16 July 2026, overall air quality in Grossmünster is fair. NO2 is the main pollutant at 25.8/100. Pollution peaks around 2:00 PM (O3: 43.5/100).

Will air quality be worse tomorrow in Grossmünster?

On 17 July 2026, air quality conditions in Grossmünster 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 Grossmünster?

At Grossmünster, winter brings the poorest readings, as vehicle traffic and dense urban activity build up around the lake basin whenever the usual breeze fails to stir the air. Things generally improve from spring onward, with summer's stronger winds keeping the air clear except for the occasional hot-weather ozone peak; autumn is typically calm and mild.

Are air quality levels in Grossmünster 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