Worst air pollution Altenstadt - Feldkirch, today and tomorrow
Today (16 July): Air quality in Altenstadt is fair. NO2 is fair; AQI and O3 are medium; PM2.5, PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 1:00 PM (O3: 40.3/100).
Tomorrow (17 July 2026): Air quality in Altenstadt is fair. AQI worsens to fair; O3 increases to fair; all other pollutants stay as today. Pollution peaks around 1:00 PM (O3: 36.9/100). 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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Altenstadt's air quality reflects its historic position within Feldkirch near the Ill river, with vehicle traffic on surrounding streets contributing local sources within the Rhine valley's topography.
Today - 16 July | Pollution peaks at 13:00
AQI:
Medium
40.3/100
PM2.5 (fine particles):
Good
12.2/100
PM10 (coarse particles):
Good
3.8/100
NO2 (nitrogen dioxide):
Fair
25.7/100
O3 (ozone):
Medium
40.3/100
SO2 (sulfur dioxide):
Good
0.8/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
4.8/100
PM1 (ultrafine particles):
Good
16.2/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 13:00
AQI:
Fair
36.9/100
PM2.5 (fine particles):
Good
14.5/100
PM10 (coarse particles):
Good
5.3/100
NO2 (nitrogen dioxide):
Fair
32.1/100
O3 (ozone):
Fair
36.9/100
SO2 (sulfur dioxide):
Good
1.3/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
6.3/100
PM1 (ultrafine particles):
Good
17.2/100
Other Landmarks in Feldkirch
Frequently Asked Questions
Is air quality bad in Altenstadt right now?
On 16 July 2026, overall air quality in Altenstadt is fair. NO2 is the main pollutant at 25.7/100. Pollution peaks around 1:00 PM (O3: 40.3/100).
Will air quality be worse tomorrow in Altenstadt?
On 17 July 2026, air quality conditions in Altenstadt will be similar to today, with AQI forecast at fair at 36.9/100. Pollution peaks around 1:00 PM (O3: 36.9/100).
When is air pollution at its worst in Altenstadt?
Air quality at Altenstadt is usually worst on calm winter mornings, when vehicle traffic and cross-border commuting settle under a mild temperature inversion in the Rhine valley. Lake breezes off the Bodensee help disperse pollution for much of the year, though hot, still summer afternoons can occasionally raise ozone. Spring and autumn tend to be the steadiest.
Are air quality levels in Altenstadt 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 Austria?
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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