Worst air pollution St. Hanshaugen - Oslo, today and tomorrow

Today (16 July): Air quality in St. Hanshaugen is fair. O3 and PM1 are fair; AQI and NO2 are medium; PM2.5, PM10, SO2, CO, and HCHO are good. Pollution peaks around 6:00 AM (NO2: 49.4/100).
Tomorrow (17 July 2026): Air quality in St. Hanshaugen is fair. AQI worsens to fair; NO2 increases to fair; PM1 decreases to good; all other pollutants stay as today. Pollution peaks around 5:00 PM (O3: 33.9/100). 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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Oslo's St. Hanshaugen hill records good air quality by central Oslo standards, with the park's elevated position and green cover providing cleaner conditions than the surrounding Grünerløkka and Majorstuen streets below. The hilltop setting rises above the worst of the vehicle and wood-burning emissions on calm winter days.

Today - 16 July | Pollution peaks at 06:00

AQI:

Medium

49.4/100

PM2.5 (fine particles):

Good

18.0/100

PM10 (coarse particles):

Good

5.4/100

NO2 (nitrogen dioxide):

Medium

49.4/100

O3 (ozone):

Fair

38.3/100

SO2 (sulfur dioxide):

Good

2.7/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

15.3/100

PM1 (ultrafine particles):

Fair

21.7/100

Levels show the poorest local air quality during the day

Tomorrow - 17 July | Pollution peaks at 17:00

AQI:

Fair

33.9/100

PM2.5 (fine particles):

Good

12.4/100

PM10 (coarse particles):

Good

4.0/100

NO2 (nitrogen dioxide):

Fair

30.7/100

O3 (ozone):

Fair

33.9/100

SO2 (sulfur dioxide):

Good

3.0/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

5.0/100

PM1 (ultrafine particles):

Good

14.1/100

Other Landmarks in Oslo

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Frequently Asked Questions

Is air quality bad in St. Hanshaugen right now?

On 16 July 2026, overall air quality in St. Hanshaugen is fair. O3 is the main pollutant at 38.3/100. Pollution peaks around 6:00 AM (NO2: 49.4/100).

Will air quality be worse tomorrow in St. Hanshaugen?

On 17 July 2026, air quality conditions in St. Hanshaugen will be similar to today, with AQI forecast at fair at 33.9/100. Pollution peaks around 5:00 PM (O3: 33.9/100).

When is air pollution at its worst in St. Hanshaugen?

Locally, St. Hanshaugen's air is most affected during the birch pollen peak in late spring, when the regional birch peak combines with typical weekday commuter traffic. Background air quality across the region is generally good most of the year. Otherwise, St. Hanshaugen maintains good air quality across most of the calendar.

Are air quality levels in St. Hanshaugen 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