Worst air pollution Popeşti-Leordeni, today and tomorrow
Today (10 August): Air quality in Popeşti-Leordeni is fair. HCHO is fair; AQI, NO2, and O3 are medium; PM2.5, PM10, SO2, CO, and PM1 are good. Pollution peaks around 6:00 PM (O3: 41.8/100).
Tomorrow (11 August 2026): Air quality in Popeşti-Leordeni is fair. PM2.5 increases to fair; PM1 increases to fair; all other pollutants stay as today. Pollution peaks around 1:00 PM (O3: 54.1/100). Airmine updates local air quality forecasts four times daily.
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Popești-Leordeni's air quality reflects the greater Bucharest metropolitan area's southern suburban ring, with vehicle traffic on the A1 motorway and the surrounding mixed industrial and residential character contributing elevated NOₓ. The flat Wallachian plain provides reasonable dispersal on most days, while winter residential wood and coal burning and the Bucharest metropolitan area's winter temperature inversions concentrate heating and vehicle emissions across the southern suburban corridor during extended anticyclonic cold periods throughout the year.
Today - 10 August | Pollution peaks at 18:00
AQI:
Medium
41.8/100
PM2.5 (fine particles):
Good
14.6/100
PM10 (coarse particles):
Good
4.0/100
NO2 (nitrogen dioxide):
Medium
41.7/100
O3 (ozone):
Medium
41.8/100
SO2 (sulfur dioxide):
Good
3.6/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Fair
26.6/100
PM1 (ultrafine particles):
Good
19.5/100
Levels show the poorest local air quality during the day
Tomorrow - 11 August | Pollution peaks at 13:00
AQI:
Medium
54.1/100
PM2.5 (fine particles):
Fair
21.2/100
PM10 (coarse particles):
Good
5.8/100
NO2 (nitrogen dioxide):
Medium
48.7/100
O3 (ozone):
Medium
54.1/100
SO2 (sulfur dioxide):
Good
5.6/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Fair
28.8/100
PM1 (ultrafine particles):
Fair
26.5/100
Pollen forecast in Popeşti-Leordeni
View pollen forecastFrequently Asked Questions
Is air quality bad in Popeşti-Leordeni right now?
On 10 August 2026, overall air quality in Popeşti-Leordeni is fair. HCHO is the main pollutant at 26.6/100. Pollution peaks around 6:00 PM (O3: 41.8/100).
Will air quality be worse tomorrow in Popeşti-Leordeni?
On 11 August 2026, air quality conditions in Popeşti-Leordeni will be similar to today, with HCHO forecast at fair at 28.8/100. Pollution peaks around 1:00 PM (O3: 54.1/100).
When is air pollution at its worst in Popeşti-Leordeni?
Air quality dips in Popeşti-Leordeni mostly track local tree and grass pollen peaks and periods of vehicle traffic on the A1 motorway and the surrounding mixed industrial and residential character; cooler, breezier weather later in the year tends to bring things back down.
Are air quality levels in Popeşti-Leordeni 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: 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.
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