Worst air pollution Leopoldstadt - Vienna, today and tomorrow
Today (30 August): Air quality in Leopoldstadt is moderate. AQI and NO2 are moderate; O3 and HCHO are fair; PM2.5, PM10, SO2, CO, and PM1 are good. Pollution peaks around 4:00 AM (NO2: 40.4/100).
Tomorrow (31 August 2026): Air quality in Leopoldstadt is fair. AQI improves to fair; NO2 decreases to fair; all other pollutants stay as today. Pollution peaks around 1:00 AM (NO2: 36.3/100). Airmine updates local air quality forecasts four times daily.
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Leopoldstadt's air quality benefits from the large Prater park's green buffer, with vehicle traffic on surrounding arterial roads the primary source. The Danube canal provides a ventilation corridor through this island district.
Today - 30 August | Pollution peaks at 04:00
AQI:
Moderate
40.4/100
PM2.5 (fine particles):
Good
11.2/100
PM10 (coarse particles):
Good
4.5/100
NO2 (nitrogen dioxide):
Moderate
40.4/100
O3 (ozone):
Fair
38.2/100
SO2 (sulfur dioxide):
Good
1.4/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Fair
20.3/100
PM1 (ultrafine particles):
Good
13.8/100
Levels show the poorest local air quality during the day
Tomorrow - 31 August | Pollution peaks at 01:00
AQI:
Fair
36.3/100
PM2.5 (fine particles):
Good
12.4/100
PM10 (coarse particles):
Good
4.6/100
NO2 (nitrogen dioxide):
Fair
36.3/100
O3 (ozone):
Fair
34.5/100
SO2 (sulfur dioxide):
Good
1.9/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Fair
20.9/100
PM1 (ultrafine particles):
Good
15.2/100
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Frequently Asked Questions
Is air quality bad in Leopoldstadt right now?
On 30 August 2026, overall air quality in Leopoldstadt is moderate. AQI is the main air quality indicator at 40.4/100. Pollution peaks around 4:00 AM (NO2: 40.4/100).
Will air quality be worse tomorrow in Leopoldstadt?
On 31 August 2026, air quality conditions in Leopoldstadt will be better than today, with AQI forecast at fair at 36.3/100. Pollution peaks around 1:00 AM (NO2: 36.3/100).
When is air pollution at its worst in Leopoldstadt?
At Leopoldstadt, air quality dips most on windless winter days, as vehicle traffic and residential heating across the city accumulate under the kind of inversion common to the Danube basin. Summer's stronger winds and rain help clear the air, though occasional ozone spikes occur in prolonged heat. Spring and autumn are typically the mildest, most stable months.
Are air quality levels in Leopoldstadt 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.
Why doesn’t the forecast always reflect wildfire impacts?
Airmine’s forecast uses CAMS (Copernicus Atmosphere Monitoring Service) as its background atmospheric model. While CAMS includes wildfire emissions, these are derived from satellite observations and are not available in real time. During rapidly evolving wildfire events, there may therefore be a delay before increased emissions are incorporated into the model. As a result, the forecast may temporarily underestimate PM₂.₅ and other pollutants associated with wildfire smoke.
During rapidly evolving wildfire events, CAMS may lag by approximately 1–2 days before increased wildfire emissions are fully represented, which can lead to temporary underestimation of PM₂.₅ concentrations in Airmine’s forecast.
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Data provided by Airmine — Last update: 30 August 2026 at 08:36 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.
Disclaimer: Forecasts are provided for informational purposes only and should not be relied upon as medical advice. Actual pollen and air quality conditions may vary from the forecast. If you have allergies, asthma, or another medical condition, consult a healthcare professional. Please see our Terms of Service for important information about limitations of liability.
Some text on this page may be generated or summarised using artificial intelligence (AI). Wherever possible, AI-generated content is enriched with Airmine's proprietary data to improve its accuracy and relevance. However, AI-generated content may still contain errors, omissions, or inaccuracies.
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