Worst air pollution Hernals - Vienna, today and tomorrow
Today (16 July): Air quality in Hernals is poor. AQI and O3 are poor; NO2 is fair; PM2.5, PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 4:00 PM (O3: 63.7/100).
Tomorrow (17 July 2026): Air quality in Hernals is fair. AQI improves to medium; 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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Hernals' air quality benefits from its Vienna Woods foothill position, with forested slopes providing natural buffering in the district's outer sections. Vehicle traffic is concentrated in the denser inner streets.
Today - 16 July | Pollution peaks at 16:00
AQI:
Poor
63.7/100
PM2.5 (fine particles):
Good
13.1/100
PM10 (coarse particles):
Good
4.6/100
NO2 (nitrogen dioxide):
Fair
26.4/100
O3 (ozone):
Poor
63.7/100
SO2 (sulfur dioxide):
Good
3.6/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
18.0/100
PM1 (ultrafine particles):
Good
16.8/100
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
18.1/100
PM10 (coarse particles):
Good
5.6/100
NO2 (nitrogen dioxide):
Fair
37.4/100
O3 (ozone):
Medium
57.1/100
SO2 (sulfur dioxide):
Good
2.2/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Fair
20.6/100
PM1 (ultrafine particles):
Fair
23.1/100
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Frequently Asked Questions
Is air quality bad in Hernals right now?
On 16 July 2026, overall air quality in Hernals 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 Hernals?
On 17 July 2026, air quality conditions in Hernals will be better than today, with NO2 forecast at fair at 37.4/100. Pollution peaks around 12:00 PM (O3: 57.1/100).
When is air pollution at its worst in Hernals?
The worst air quality at Hernals tends to show up during calm winter conditions, when emissions from vehicle traffic and residential heating across the city build up under a basin inversion. Conditions generally improve through spring, and while summer heat can raise ozone briefly, overall dispersion is much better than in winter. Autumn usually sits somewhere comfortably in between.
Are air quality levels in Hernals 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