Worst air pollution Altstadt Luzern - Lucerne, today and tomorrow

Today (16 July): Air quality in Altstadt Luzern 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 Altstadt Luzern is fair. AQI worsens to fair; O3 increases to fair; all other pollutants stay as today. Pollution peaks around 12:00 AM (NO2: 34.5/100). 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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Altstadt Luzern's air quality reflects Lucerne's dense historic core near the Chapel Bridge, with pedestrian zones limiting traffic while tourist coach congestion contributes background emissions to this central district.

Today - 16 July | Pollution peaks at 14:00

AQI:

Medium

43.5/100

PM2.5 (fine particles):

Good

13.9/100

PM10 (coarse particles):

Good

5.4/100

NO2 (nitrogen dioxide):

Fair

35.4/100

O3 (ozone):

Medium

43.5/100

SO2 (sulfur dioxide):

Good

1.0/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

5.3/100

PM1 (ultrafine particles):

Good

15.2/100

Levels show the poorest local air quality during the day

Tomorrow - 17 July | Pollution peaks at 00:00

AQI:

Fair

34.5/100

PM2.5 (fine particles):

Good

15.9/100

PM10 (coarse particles):

Good

5.9/100

NO2 (nitrogen dioxide):

Fair

34.5/100

O3 (ozone):

Fair

33.7/100

SO2 (sulfur dioxide):

Good

1.1/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

5.3/100

PM1 (ultrafine particles):

Good

19.3/100

Other Landmarks in Lucerne

Frequently Asked Questions

Is air quality bad in Altstadt Luzern right now?

On 16 July 2026, overall air quality in Altstadt Luzern is fair. NO2 is the main pollutant at 35.4/100. Pollution peaks around 2:00 PM (O3: 43.5/100).

Will air quality be worse tomorrow in Altstadt Luzern?

On 17 July 2026, air quality conditions in Altstadt Luzern will be similar to today, with AQI forecast at fair at 34.5/100. Pollution peaks around 12:00 AM (NO2: 34.5/100).

When is air pollution at its worst in Altstadt Luzern?

Air quality at Altstadt Luzern dips most on still winter mornings, when vehicle traffic and lake-season tourism settle in close to the lake and sit under a shallow basin inversion. From spring, conditions steadily pick up around the lake basin, and summer stays mostly clear aside from a rare ozone spike, with autumn usually just as settled.

Are air quality levels in Altstadt Luzern 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