Worst air pollution Horten kommune, today and tomorrow
Today (16 July): Air quality in Horten kommune is fair. AQI and O3 are fair; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 1:00 PM (O3: 33.0/100).
Tomorrow (17 July 2026): Air quality in Horten kommune is fair. All pollutants stay as today. Pollution peaks around 5:00 PM (O3: 35.0/100). 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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Horten kommune's air quality reflects the outer Oslofjord coastal position on the western shore, with vehicle traffic and the manufacturing, services, and residential corridor contributing local sources. Consistent Oslofjord maritime breezes provide ventilation and Horten generally maintains moderate to good conditions for a Vestfold Oslofjord coastal municipality throughout most of the year.
Today - 16 July | Pollution peaks at 13:00
AQI:
Fair
33.0/100
PM2.5 (fine particles):
Good
8.2/100
PM10 (coarse particles):
Good
2.5/100
NO2 (nitrogen dioxide):
Good
0/100
O3 (ozone):
Fair
33.0/100
SO2 (sulfur dioxide):
Good
0/100
CO (carbon monoxide):
Good
0/100
HCHO (formaldehyde):
Good
12.7/100
PM1 (ultrafine particles):
Good
9.7/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 17:00
AQI:
Fair
35.0/100
PM2.5 (fine particles):
Good
7.2/100
PM10 (coarse particles):
Good
2.5/100
NO2 (nitrogen dioxide):
Good
0/100
O3 (ozone):
Fair
35.0/100
SO2 (sulfur dioxide):
Good
0/100
CO (carbon monoxide):
Good
0/100
HCHO (formaldehyde):
Good
4.5/100
PM1 (ultrafine particles):
Good
7.6/100
Pollen forecast in Horten kommune
View pollen forecastFrequently Asked Questions
Is air quality bad in Horten kommune right now?
On 16 July 2026, overall air quality in Horten kommune is fair. AQI is the main air quality indicator at 33.0/100. Pollution peaks around 1:00 PM (O3: 33.0/100).
Will air quality be worse tomorrow in Horten kommune?
On 17 July 2026, air quality conditions in Horten kommune will be similar to today, with AQI forecast at fair at 35.0/100. Pollution peaks around 5:00 PM (O3: 35.0/100).
When is air pollution at its worst in Horten kommune?
Air quality in Horten kommune is least favourable on the odd still winter day between weather systems, when farm machinery and traffic both add to emissions during the calmest winter spells. The fjord-influenced climate here generally limits how long any dip lasts. For the rest of the year, Horten kommune typically sees consistently good air quality.
Are air quality levels in Horten kommune 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