Worst air pollution Andermatt-Sedrun Ski Area - Altdorf, today and tomorrow
Today (16 July): Air quality in Andermatt-Sedrun Ski Area is fair. NO2 is fair; AQI and O3 are medium; PM2.5, PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 12:00 PM (O3: 42.5/100).
Tomorrow (17 July 2026): Air quality in Andermatt-Sedrun Ski Area is fair. AQI worsens to fair; O3 increases to fair; all other pollutants stay as today. Pollution peaks around 3:00 PM (O3: 32.4/100). 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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Andermatt-Sedrun Ski Area's air quality benefits from its high-altitude position near the Gotthard massif, with winter ski tourist traffic the primary seasonal local source amid otherwise clean mountain air.
Today - 16 July | Pollution peaks at 12:00
AQI:
Medium
42.5/100
PM2.5 (fine particles):
Good
8.9/100
PM10 (coarse particles):
Good
4.6/100
NO2 (nitrogen dioxide):
Fair
34.0/100
O3 (ozone):
Medium
42.5/100
SO2 (sulfur dioxide):
Good
0.7/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
3.2/100
PM1 (ultrafine particles):
Good
10.5/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 15:00
AQI:
Fair
32.4/100
PM2.5 (fine particles):
Good
7.2/100
PM10 (coarse particles):
Good
5.4/100
NO2 (nitrogen dioxide):
Fair
31.7/100
O3 (ozone):
Fair
32.4/100
SO2 (sulfur dioxide):
Good
0.5/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
2.4/100
PM1 (ultrafine particles):
Good
7.5/100
Other Landmarks in Altdorf
Sports venues in Altdorf
Frequently Asked Questions
Is air quality bad in Andermatt-Sedrun Ski Area right now?
On 16 July 2026, overall air quality in Andermatt-Sedrun Ski Area is fair. NO2 is the main pollutant at 34.0/100. Pollution peaks around 12:00 PM (O3: 42.5/100).
Will air quality be worse tomorrow in Andermatt-Sedrun Ski Area?
On 17 July 2026, air quality conditions in Andermatt-Sedrun Ski Area will be similar to today, with AQI forecast at fair at 32.4/100. Pollution peaks around 3:00 PM (O3: 32.4/100).
When is air pollution at its worst in Andermatt-Sedrun Ski Area?
Andermatt-Sedrun Ski Area's exposed, high-elevation position keeps air quality excellent almost year-round, with only a short peak-season window when seasonal tourist and cable car traffic adds a small, temporary bump. Otherwise thin air and minimal development keep conditions consistently outstanding.
Are air quality levels in Andermatt-Sedrun Ski Area 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