Worst air pollution Tromsø, today and tomorrow
Today (16 July): Air quality in Tromsø is good. AQI, PM2.5, PM10, NO2, O3, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 3:00 PM (O3: 19.5/100).
Tomorrow (17 July 2026): Air quality in Tromsø is good. All pollutants stay as today. Pollution peaks around 12:00 AM (O3: 17.6/100). 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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Tromsø benefits from strong maritime ventilation funnelled through the surrounding sounds, keeping air quality generally excellent, though calm, cold winter spells can trap wood-smoke and traffic emissions in the narrow island streets near the harbour.
Today - 16 July | Pollution peaks at 15:00
AQI:
Good
19.5/100
PM2.5 (fine particles):
Good
3.4/100
PM10 (coarse particles):
Good
1.2/100
NO2 (nitrogen dioxide):
Good
1.9/100
O3 (ozone):
Good
19.5/100
SO2 (sulfur dioxide):
Good
2.4/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
0.5/100
PM1 (ultrafine particles):
Good
2.7/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 00:00
AQI:
Good
17.6/100
PM2.5 (fine particles):
Good
4.9/100
PM10 (coarse particles):
Good
2.0/100
NO2 (nitrogen dioxide):
Good
2.1/100
O3 (ozone):
Good
17.6/100
SO2 (sulfur dioxide):
Good
1.2/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
0.4/100
PM1 (ultrafine particles):
Good
2.3/100
Pollen forecast in Tromsø
View pollen forecastFrequently Asked Questions
Is air quality bad in Tromsø right now?
On 16 July 2026, overall air quality in Tromsø is good. AQI is the main air quality indicator at 19.5/100. Pollution peaks around 3:00 PM (O3: 19.5/100).
Will air quality be worse tomorrow in Tromsø?
On 17 July 2026, air quality conditions in Tromsø will be similar to today, with AQI forecast at good at 17.6/100. Pollution peaks around 12:00 AM (O3: 17.6/100).
When is air pollution at its worst in Tromsø?
Locally, Tromsø's air is most affected on still, cold winter evenings, when home-heating smoke has nowhere to go during the calmest winter spells. Extended daylight and generally clean Arctic air mean conditions bounce back quickly. Most of the year, conditions in Tromsø stay comfortably within normal ranges.
Are air quality levels in Tromsø 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