Worst air pollution Groruddalen - Oslo, today and tomorrow
Today (16 July): Air quality in Groruddalen 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: 44.6/100).
Tomorrow (17 July 2026): Air quality in Groruddalen 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.
For long term forecasts and maps, see the Airmine app
Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
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Oslo's Groruddalen records moderate to elevated air quality for Oslo, with the eastern valley's road and light industrial corridor generating the city's highest sustained traffic emissions outside the city centre. The valley topography can concentrate pollutants under calm conditions, particularly in winter when inversions trap emissions across the entire eastern corridor.
Today - 16 July | Pollution peaks at 06:00
AQI:
Medium
44.6/100
PM2.5 (fine particles):
Good
16.6/100
PM10 (coarse particles):
Good
4.9/100
NO2 (nitrogen dioxide):
Medium
44.6/100
O3 (ozone):
Fair
38.3/100
SO2 (sulfur dioxide):
Good
2.1/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
15.3/100
PM1 (ultrafine particles):
Fair
20.4/100
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
11.4/100
PM10 (coarse particles):
Good
3.7/100
NO2 (nitrogen dioxide):
Fair
25.6/100
O3 (ozone):
Fair
33.9/100
SO2 (sulfur dioxide):
Good
2.4/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
5.0/100
PM1 (ultrafine particles):
Good
13.0/100
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Frequently Asked Questions
Is air quality bad in Groruddalen right now?
On 16 July 2026, overall air quality in Groruddalen is fair. O3 is the main pollutant at 38.3/100. Pollution peaks around 6:00 AM (NO2: 44.6/100).
Will air quality be worse tomorrow in Groruddalen?
On 17 July 2026, air quality conditions in Groruddalen 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 Groruddalen?
People in Groruddalen tend to notice the biggest change in air quality when birch pollen is at its most intense in spring, when the regional birch peak combines with typical weekday commuter traffic. Once the wind returns, conditions here usually clear fairly quickly. The remainder of the year, Groruddalen's air quality is typically unremarkable in a good way.
Are air quality levels in Groruddalen 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 Norway?
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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