Worst air pollution Ruse, today and tomorrow
Today (9 August): Air quality in Ruse is fair. AQI, NO2, and O3 are fair; PM2.5, PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 4:00 PM (O3: 32.4/100).
Tomorrow (10 August 2026): Air quality in Ruse is fair. All pollutants stay as today. Pollution peaks around 11:00 PM (NO2: 38.3/100). Airmine updates local air quality forecasts four times daily.
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Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
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Ruse's air quality reflects its position on the Danube river in northern Bulgaria, with the Danube corridor providing ventilation but the Romanian Giurgiu chemical and industrial zone directly across the river contributing cross-border SO₂ and industrial PM2.5. Vehicle traffic on the E85 and the surrounding Bulgarian industrial and port operations generate local sources, while winter residential wood and coal burning generates seasonal PM2.5 elevation and the Danube valley's flat terrain generally allows reasonable dispersal on most days throughout the year.
Today - 9 August | Pollution peaks at 16:00
AQI:
Fair
32.4/100
PM2.5 (fine particles):
Good
9.8/100
PM10 (coarse particles):
Good
2.8/100
NO2 (nitrogen dioxide):
Fair
24.4/100
O3 (ozone):
Fair
32.4/100
SO2 (sulfur dioxide):
Good
5.3/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
4.6/100
PM1 (ultrafine particles):
Good
11.7/100
Levels show the poorest local air quality during the day
Tomorrow - 10 August | Pollution peaks at 23:00
AQI:
Fair
38.3/100
PM2.5 (fine particles):
Good
13.0/100
PM10 (coarse particles):
Good
3.9/100
NO2 (nitrogen dioxide):
Fair
38.3/100
O3 (ozone):
Fair
36.9/100
SO2 (sulfur dioxide):
Good
6.9/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
6.1/100
PM1 (ultrafine particles):
Good
14.4/100
Pollen forecast in Ruse
View pollen forecastFrequently Asked Questions
Is air quality bad in Ruse right now?
On 9 August 2026, overall air quality in Ruse is fair. AQI is the main air quality indicator at 32.4/100. Pollution peaks around 4:00 PM (O3: 32.4/100).
Will air quality be worse tomorrow in Ruse?
On 10 August 2026, air quality conditions in Ruse will be similar to today, with AQI forecast at fair at 38.3/100. Pollution peaks around 11:00 PM (NO2: 38.3/100).
When is air pollution at its worst in Ruse?
The most noticeable dips in Ruse's air quality come when local combined tree and grass pollen peaks, or because of the Danube corridor providing ventilation but the Romanian Giurgiu chemical and industrial zone directly across; the picture usually improves again once the season turns.
Are air quality levels in Ruse 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: 9 August 2026 at 20:27 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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