Worst air pollution Helsingør, today and tomorrow

Today (16 July): Air quality in Helsingør is fair. O3 is fair; AQI and NO2 are medium; PM2.5, PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 4:00 AM (NO2: 40.2/100).
Tomorrow (17 July 2026): Air quality in Helsingør is fair. All pollutants stay as today. Pollution peaks around 3:00 AM (NO2: 40.7/100). 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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Helsingør's position at the narrowest crossing of the Øresund — just a few kilometres from Helsingborg in Sweden — gives it strong natural ventilation from the strait, offsetting emissions from ferry traffic and the busy cross-border terminal. Air quality here typically ranks favourably against Copenhagen's more built-up districts.

Today - 16 July | Pollution peaks at 04:00

AQI:

Medium

40.2/100

PM2.5 (fine particles):

Good

10.0/100

PM10 (coarse particles):

Good

3.2/100

NO2 (nitrogen dioxide):

Medium

40.2/100

O3 (ozone):

Fair

27.2/100

SO2 (sulfur dioxide):

Good

2.0/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

3.3/100

PM1 (ultrafine particles):

Good

10.8/100

Levels show the poorest local air quality during the day

Tomorrow - 17 July | Pollution peaks at 03:00

AQI:

Medium

40.7/100

PM2.5 (fine particles):

Good

9.2/100

PM10 (coarse particles):

Good

3.0/100

NO2 (nitrogen dioxide):

Medium

40.7/100

O3 (ozone):

Fair

33.4/100

SO2 (sulfur dioxide):

Good

1.8/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

3.3/100

PM1 (ultrafine particles):

Good

9.7/100

Pollen forecast in Helsingør

View pollen forecast

Air quality forecasts for neighbourhoods and landmarks in Helsingør

Frequently Asked Questions

Is air quality bad in Helsingør right now?

On 16 July 2026, overall air quality in Helsingør is fair. O3 is the main pollutant at 27.2/100. Pollution peaks around 4:00 AM (NO2: 40.2/100).

Will air quality be worse tomorrow in Helsingør?

On 17 July 2026, air quality conditions in Helsingør will be similar to today, with O3 forecast at fair at 33.4/100. Pollution peaks around 3:00 AM (NO2: 40.7/100).

When is air pollution at its worst in Helsingør?

Helsingør's air quality dips are tied mainly to ferry traffic and the busy cross-border terminal, though the narrowest crossing of the Øresund — just a few kilometres from Helsingborg — gives the town strong natural ventilation from the strait.

Are air quality levels in Helsingør 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 Denmark?

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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