Worst air pollution Altstadt - Salzburg, today and tomorrow
Today (16 July): Air quality in Altstadt is fair. NO2 is fair; AQI and O3 are medium; PM2.5, PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 5:00 PM (O3: 43.3/100).
Tomorrow (17 July 2026): Air quality in Altstadt is fair. AQI worsens to fair; O3 increases to fair; all other pollutants stay as today. Pollution peaks around 3:00 PM (O3: 38.9/100). 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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Altstadt's air quality reflects Salzburg's dense historic core beneath the Mönchsberg cliff, with pedestrian zones limiting traffic while surrounding streets and tourist coaches contribute background emissions within the enclosed valley.
Today - 16 July | Pollution peaks at 17:00
AQI:
Medium
43.3/100
PM2.5 (fine particles):
Good
13.1/100
PM10 (coarse particles):
Good
5.3/100
NO2 (nitrogen dioxide):
Fair
33.8/100
O3 (ozone):
Medium
43.3/100
SO2 (sulfur dioxide):
Good
0.9/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
8.2/100
PM1 (ultrafine particles):
Good
15.3/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 15:00
AQI:
Fair
38.9/100
PM2.5 (fine particles):
Good
12.5/100
PM10 (coarse particles):
Good
3.9/100
NO2 (nitrogen dioxide):
Fair
38.0/100
O3 (ozone):
Fair
38.9/100
SO2 (sulfur dioxide):
Good
0.5/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
7.6/100
PM1 (ultrafine particles):
Good
15.8/100
Other Landmarks in Salzburg
Sports venues in Salzburg
Frequently Asked Questions
Is air quality bad in Altstadt right now?
On 16 July 2026, overall air quality in Altstadt is fair. NO2 is the main pollutant at 33.8/100. Pollution peaks around 5:00 PM (O3: 43.3/100).
Will air quality be worse tomorrow in Altstadt?
On 17 July 2026, air quality conditions in Altstadt will be similar to today, with AQI forecast at fair at 38.9/100. Pollution peaks around 3:00 PM (O3: 38.9/100).
When is air pollution at its worst in Altstadt?
Winter mornings are the low point for air quality at Altstadt, when vehicle traffic and tourism settle under the basin's characteristic inversion. Conditions steadily improve from spring, and summer generally sees good dispersion apart from occasional hot-weather ozone peaks. Autumn is typically calm and comparatively clear.
Are air quality levels in Altstadt 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