Worst air pollution Alba Iulia, today and tomorrow
Today (10 August): Air quality in Alba Iulia is fair. O3 is fair; AQI and NO2 are medium; PM2.5, PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 6:00 AM (NO2: 40.7/100).
Tomorrow (11 August 2026): Air quality in Alba Iulia is fair. All pollutants stay as today. Pollution peaks around 2:00 AM (NO2: 41.0/100). Airmine updates local air quality forecasts four times daily.
Get the full experience in the Airmine app.
Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
Follow your pollen exposure and performance with the free Airmine–Strava integration. See your pollen and air quality exposure for every Strava activity.
Alba Iulia's air quality reflects the lower Mureș river valley in the Transylvanian plateau, with vehicle traffic on the A1 motorway and surrounding manufacturing and tourism industry contributing local sources. Winter residential wood and coal burning generates elevated PM2.5, while the Transylvanian plateau ridgelines create topographic variation and winter inversions in the Mureș valley can concentrate heating and vehicle emissions during extended anticyclonic cold periods throughout the year.
Today - 10 August | Pollution peaks at 06:00
AQI:
Medium
40.7/100
PM2.5 (fine particles):
Good
11.3/100
PM10 (coarse particles):
Good
3.1/100
NO2 (nitrogen dioxide):
Medium
40.7/100
O3 (ozone):
Fair
39.5/100
SO2 (sulfur dioxide):
Good
4.7/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
9.1/100
PM1 (ultrafine particles):
Good
15.3/100
Levels show the poorest local air quality during the day
Tomorrow - 11 August | Pollution peaks at 02:00
AQI:
Medium
41.0/100
PM2.5 (fine particles):
Good
11.6/100
PM10 (coarse particles):
Good
3.3/100
NO2 (nitrogen dioxide):
Medium
41.0/100
O3 (ozone):
Fair
37.9/100
SO2 (sulfur dioxide):
Good
4.5/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
11.7/100
PM1 (ultrafine particles):
Good
15.8/100
Pollen forecast in Alba Iulia
View pollen forecastFrequently Asked Questions
Is air quality bad in Alba Iulia right now?
On 10 August 2026, overall air quality in Alba Iulia is fair. O3 is the main pollutant at 39.5/100. Pollution peaks around 6:00 AM (NO2: 40.7/100).
Will air quality be worse tomorrow in Alba Iulia?
On 11 August 2026, air quality conditions in Alba Iulia will be similar to today, with O3 forecast at fair at 37.9/100. Pollution peaks around 2:00 AM (NO2: 41.0/100).
When is air pollution at its worst in Alba Iulia?
Reduced air quality in Alba Iulia is most likely when oak and linden pollen peaks, alongside periods of vehicle traffic on the A1 motorway and nearby manufacturing and tourism industry; the rest of the calendar year is generally more forgiving for air quality.
Are air quality levels in Alba Iulia 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.
Want to see air quality forecasts for other cities in Romania?
Check air quality in other popular cities:
Data provided by Airmine — Last update: 10 August 2026 at 02:34 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.
Get the full experience in the Airmine app.