Worst air pollution Blagoevgrad, today and tomorrow
Today (9 August): Air quality in Blagoevgrad is fair. NO2 and PM1 are fair; AQI and O3 are medium; PM2.5, PM10, SO2, CO, and HCHO are good. Pollution peaks around 1:00 PM (O3: 42.7/100).
Tomorrow (10 August 2026): Air quality in Blagoevgrad is fair. AQI worsens to fair; O3 increases to fair; all other pollutants stay as today. Pollution peaks around 6:00 PM (O3: 38.1/100). 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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Blagoevgrad's air quality faces winter challenges in the Struma river valley at the Rhodope and Rila mountain foothills, with residential coal and wood burning generating elevated PM2.5 under frequent winter temperature inversions alongside vehicle traffic on the A3 motorway. The valley's topographic enclosure between the Rila and Plana mountains concentrates heating and vehicle emissions during extended winter anticyclonic periods, while summer conditions are considerably better with mountain breezes providing effective ventilation.
Today - 9 August | Pollution peaks at 13:00
AQI:
Medium
42.7/100
PM2.5 (fine particles):
Good
16.8/100
PM10 (coarse particles):
Good
4.6/100
NO2 (nitrogen dioxide):
Fair
27.8/100
O3 (ozone):
Medium
42.7/100
SO2 (sulfur dioxide):
Good
10.1/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
8.9/100
PM1 (ultrafine particles):
Fair
22.1/100
Levels show the poorest local air quality during the day
Tomorrow - 10 August | Pollution peaks at 18:00
AQI:
Fair
38.1/100
PM2.5 (fine particles):
Good
17.3/100
PM10 (coarse particles):
Good
4.8/100
NO2 (nitrogen dioxide):
Fair
37.7/100
O3 (ozone):
Fair
38.1/100
SO2 (sulfur dioxide):
Good
6.9/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
9.2/100
PM1 (ultrafine particles):
Fair
22.3/100
Pollen forecast in Blagoevgrad
View pollen forecastFrequently Asked Questions
Is air quality bad in Blagoevgrad right now?
On 9 August 2026, overall air quality in Blagoevgrad is fair. NO2 is the main pollutant at 27.8/100. Pollution peaks around 1:00 PM (O3: 42.7/100).
Will air quality be worse tomorrow in Blagoevgrad?
On 10 August 2026, air quality conditions in Blagoevgrad will be similar to today, with AQI forecast at fair at 38.1/100. Pollution peaks around 6:00 PM (O3: 38.1/100).
When is air pollution at its worst in Blagoevgrad?
People in Blagoevgrad tend to notice reduced air quality when local combined tree and grass pollen peaks, or because of residential coal and wood burning; wind and rain both help clear the air fairly quickly here.
Are air quality levels in Blagoevgrad 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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