Worst air pollution Innere Stadt Thun - Thun, today and tomorrow
Today (16 July): Air quality in Innere Stadt Thun is medium. AQI, NO2, and O3 are medium; PM2.5, PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 11:00 PM (NO2: 45.5/100).
Tomorrow (17 July 2026): Air quality in Innere Stadt Thun is fair. O3 increases to fair; all other pollutants stay as today. Pollution peaks around 12:00 AM (NO2: 42.1/100). 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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Innere Stadt Thun's air quality reflects the city's compact historic core beneath its castle, with pedestrian zones limiting traffic while the Aare river provides some natural ventilation through the district.
Today - 16 July | Pollution peaks at 23:00
AQI:
Medium
45.5/100
PM2.5 (fine particles):
Good
12.3/100
PM10 (coarse particles):
Good
6.5/100
NO2 (nitrogen dioxide):
Medium
45.5/100
O3 (ozone):
Medium
40.0/100
SO2 (sulfur dioxide):
Good
1.3/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
4.2/100
PM1 (ultrafine particles):
Good
12.2/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 00:00
AQI:
Medium
42.1/100
PM2.5 (fine particles):
Good
10.0/100
PM10 (coarse particles):
Good
7.1/100
NO2 (nitrogen dioxide):
Medium
42.1/100
O3 (ozone):
Fair
34.4/100
SO2 (sulfur dioxide):
Good
1.2/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
3.6/100
PM1 (ultrafine particles):
Good
10.9/100
Other Landmarks in Thun
Sports venues in Thun
Frequently Asked Questions
Is air quality bad in Innere Stadt Thun right now?
On 16 July 2026, overall air quality in Innere Stadt Thun is medium. AQI is the main air quality indicator at 45.5/100. Pollution peaks around 11:00 PM (NO2: 45.5/100).
Will air quality be worse tomorrow in Innere Stadt Thun?
On 17 July 2026, air quality conditions in Innere Stadt Thun will be worse than today, with O3 forecast at fair at 34.4/100. Pollution peaks around 12:00 AM (NO2: 42.1/100).
When is air pollution at its worst in Innere Stadt Thun?
Calm winter conditions are when Innere Stadt Thun's air quality suffers most, with vehicle traffic and administrative and commuter activity settling into the valley instead of clearing with the wind as usual. The rest of the year sees much better conditions in the valley, with summer's ozone spikes limited to the hottest, stillest days, and autumn generally reliable.
Are air quality levels in Innere Stadt Thun 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