Worst air pollution Otta, today and tomorrow
Today (16 July): Air quality in Otta is fair. AQI, NO2, O3, and PM1 are fair; PM2.5, PM10, SO2, CO, and HCHO are good. Pollution peaks around 5:00 AM (NO2: 32.1/100).
Tomorrow (17 July 2026): Air quality in Otta is fair. PM2.5 increases to fair; all other pollutants stay as today. Pollution peaks around 6:00 AM (NO2: 33.2/100). 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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Otta is the main town in Sel municipality at the Otta-Lågen River confluence in Gudbrandsdalen, with vehicle traffic and the services and tourism corridor contributing local sources. Consistent valley breezes provide background ventilation and Otta generally maintains moderate to good conditions for a Gudbrandsdalen service centre throughout most of the year.
Today - 16 July | Pollution peaks at 05:00
AQI:
Fair
32.1/100
PM2.5 (fine particles):
Good
18.8/100
PM10 (coarse particles):
Good
5.5/100
NO2 (nitrogen dioxide):
Fair
32.1/100
O3 (ozone):
Fair
31.2/100
SO2 (sulfur dioxide):
Good
1.2/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
8.0/100
PM1 (ultrafine particles):
Fair
21.8/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 06:00
AQI:
Fair
33.2/100
PM2.5 (fine particles):
Fair
25.7/100
PM10 (coarse particles):
Good
8.1/100
NO2 (nitrogen dioxide):
Fair
33.2/100
O3 (ozone):
Fair
25.1/100
SO2 (sulfur dioxide):
Good
2.7/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
6.8/100
PM1 (ultrafine particles):
Fair
27.0/100
Pollen forecast in Otta
View pollen forecastFrequently Asked Questions
Is air quality bad in Otta right now?
On 16 July 2026, overall air quality in Otta is fair. AQI is the main air quality indicator at 32.1/100. Pollution peaks around 5:00 AM (NO2: 32.1/100).
Will air quality be worse tomorrow in Otta?
On 17 July 2026, air quality conditions in Otta will be similar to today, with AQI forecast at fair at 33.2/100. Pollution peaks around 6:00 AM (NO2: 33.2/100).
When is air pollution at its worst in Otta?
Otta residents are most likely to notice reduced air quality when wood-smoke and still air combine in winter, when inland temperature swings leave still, cold air sitting over town on clear nights. Daytime warming usually breaks up the inversion and clears the air by afternoon. The remainder of the year, Otta's air quality is typically unremarkable in a good way.
Are air quality levels in Otta 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