Worst air pollution Innere Stadt - Vienna, today and tomorrow
Today (16 July): Air quality in Innere Stadt is poor. AQI and O3 are poor; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 4:00 PM (O3: 63.7/100).
Tomorrow (17 July 2026): Air quality in Innere Stadt is fair. AQI improves to medium; NO2 increases to fair; O3 decreases to medium; HCHO increases to fair; PM1 increases to fair; all other pollutants stay as today. Pollution peaks around 12:00 PM (O3: 57.1/100). 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's air quality reflects Vienna's densest historic core, with pedestrian zones limiting through-traffic while surrounding Ringstrasse traffic contributes background NOx. The compact street grid can trap emissions during calm summer conditions.
Today - 16 July | Pollution peaks at 16:00
AQI:
Poor
63.7/100
PM2.5 (fine particles):
Good
12.2/100
PM10 (coarse particles):
Good
4.2/100
NO2 (nitrogen dioxide):
Good
18.6/100
O3 (ozone):
Poor
63.7/100
SO2 (sulfur dioxide):
Good
2.3/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
18.0/100
PM1 (ultrafine particles):
Good
15.6/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 12:00
AQI:
Medium
57.1/100
PM2.5 (fine particles):
Good
16.8/100
PM10 (coarse particles):
Good
5.2/100
NO2 (nitrogen dioxide):
Fair
26.1/100
O3 (ozone):
Medium
57.1/100
SO2 (sulfur dioxide):
Good
1.4/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Fair
20.6/100
PM1 (ultrafine particles):
Fair
21.8/100
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Frequently Asked Questions
Is air quality bad in Innere Stadt right now?
On 16 July 2026, overall air quality in Innere Stadt is poor. AQI is the main air quality indicator at 63.7/100. Pollution peaks around 4:00 PM (O3: 63.7/100).
Will air quality be worse tomorrow in Innere Stadt?
On 17 July 2026, air quality conditions in Innere Stadt will be better than today, with NO2 forecast at fair at 26.1/100. Pollution peaks around 12:00 PM (O3: 57.1/100).
When is air pollution at its worst in Innere Stadt?
Winter is when Innere Stadt sees its worst air quality, as vehicle traffic and residential heating across the city settle under a basin inversion on calm, cold mornings. Things pick up through spring, and summer's stronger winds keep the air generally clear despite occasional hot-weather ozone peaks. Autumn tends to be another comparatively steady stretch across the city.
Are air quality levels in Innere Stadt 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