Worst air pollution Umeå, today and tomorrow

Today (16 July): Air quality in Umeå is fair. AQI, NO2, and O3 are fair; PM2.5, PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 3:00 AM (NO2: 26.1/100).
Tomorrow (17 July 2026): Air quality in Umeå is fair. NO2 decreases to good; all other pollutants stay as today. Pollution peaks around 4:00 PM (O3: 22.1/100). 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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Umeå's air quality is excellent by European standards, with clean Arctic and Baltic airflows providing outstanding natural ventilation in this northern Swedish university city. Vehicle traffic on the E12 motorway and wood-burning stoves during the long subarctic winters are the primary local sources, while the surrounding Norrland boreal forest and consistent northerly maritime climate maintain Umeå among Sweden's cleanest major urban environments throughout the year.

Today - 16 July | Pollution peaks at 03:00

AQI:

Fair

26.1/100

PM2.5 (fine particles):

Good

14.8/100

PM10 (coarse particles):

Good

5.1/100

NO2 (nitrogen dioxide):

Fair

26.1/100

O3 (ozone):

Fair

21.4/100

SO2 (sulfur dioxide):

Good

2.9/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

3.7/100

PM1 (ultrafine particles):

Good

13.2/100

Levels show the poorest local air quality during the day

Tomorrow - 17 July | Pollution peaks at 16:00

AQI:

Fair

22.1/100

PM2.5 (fine particles):

Good

13.7/100

PM10 (coarse particles):

Good

4.5/100

NO2 (nitrogen dioxide):

Good

10.8/100

O3 (ozone):

Fair

22.1/100

SO2 (sulfur dioxide):

Good

2.5/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

2.8/100

PM1 (ultrafine particles):

Good

13.6/100

Pollen forecast in Umeå

View pollen forecast

Air quality forecasts for neighbourhoods and landmarks in Umeå

Frequently Asked Questions

Is air quality bad in Umeå right now?

On 16 July 2026, overall air quality in Umeå is fair. AQI is the main air quality indicator at 26.1/100. Pollution peaks around 3:00 AM (NO2: 26.1/100).

Will air quality be worse tomorrow in Umeå?

On 17 July 2026, air quality conditions in Umeå will be similar to today, with AQI forecast at fair at 22.1/100. Pollution peaks around 4:00 PM (O3: 22.1/100).

When is air pollution at its worst in Umeå?

When is air quality typically worst in Umeå? Midwinter is generally the least favourable period, as still air and cold temperatures allow local pollutants to build up rather than clear. As spring arrives, increasing wind speeds generally help clear the air faster than in the calmer winter months. Summer generally brings the year's best air quality, thanks to longer days, more ventilation, and less need for heating. By October and November, cooling air and calmer evenings start to mirror the patterns that intensify further in winter. The harsher northern winter means these seasonal effects tend to last longer and feel more pronounced than further south.

Are air quality levels in Umeå 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 Sweden?

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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