Worst air pollution Stjørdal, today and tomorrow
Today (16 July): Air quality in Stjørdal is fair. AQI, NO2, and O3 are fair; PM2.5, PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 4:00 AM (NO2: 30.2/100).
Tomorrow (17 July 2026): Air quality in Stjørdal is good. AQI improves to good; NO2 decreases to good; O3 decreases to good; all other pollutants stay as today. Pollution peaks around 8:00 AM (O3: 18.4/100). 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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Stjørdal's fjordside farmland setting near Trondheim's airport generally sees decent air circulation, with airport and E6 traffic the main localized contributors to any short-term changes.
Today - 16 July | Pollution peaks at 04:00
AQI:
Fair
30.2/100
PM2.5 (fine particles):
Good
13.0/100
PM10 (coarse particles):
Good
4.4/100
NO2 (nitrogen dioxide):
Fair
30.2/100
O3 (ozone):
Fair
21.9/100
SO2 (sulfur dioxide):
Good
2.7/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
4.8/100
PM1 (ultrafine particles):
Good
11.9/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 08:00
AQI:
Good
18.4/100
PM2.5 (fine particles):
Good
10.3/100
PM10 (coarse particles):
Good
3.7/100
NO2 (nitrogen dioxide):
Good
15.1/100
O3 (ozone):
Good
18.4/100
SO2 (sulfur dioxide):
Good
2.7/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
1.7/100
PM1 (ultrafine particles):
Good
8.1/100
Pollen forecast in Stjørdal
View pollen forecastFrequently Asked Questions
Is air quality bad in Stjørdal right now?
On 16 July 2026, overall air quality in Stjørdal is fair. AQI is the main air quality indicator at 30.2/100. Pollution peaks around 4:00 AM (NO2: 30.2/100).
Will air quality be worse tomorrow in Stjørdal?
On 17 July 2026, air quality conditions in Stjørdal will be better than today, with AQI forecast at good at 18.4/100. Pollution peaks around 8:00 AM (O3: 18.4/100).
When is air pollution at its worst in Stjørdal?
Stjørdal's air quality is most affected on the odd still winter day between weather systems, when still winter air over the fjord valley can hold local smoke in place for a day or two. Once the weather turns, air quality here usually recovers within a day. The rest of the year, residents can expect generally clean air in Stjørdal.
Are air quality levels in Stjørdal 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