Worst air pollution Blagoevgrad, today and tomorrow

Today (16 July): Air quality in Blagoevgrad is fair. O3 is fair; AQI and NO2 are medium; PM2.5, PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 2:00 AM (NO2: 40.2/100).
Tomorrow (17 July 2026): Air quality in Blagoevgrad is fair. NO2 increases to fair; O3 decreases to medium; all other pollutants stay as today. Pollution peaks around 5:00 PM (O3: 41.6/100). 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 - 16 July | Pollution peaks at 02:00

AQI:

Medium

40.2/100

PM2.5 (fine particles):

Good

8.9/100

PM10 (coarse particles):

Good

4.9/100

NO2 (nitrogen dioxide):

Medium

40.2/100

O3 (ozone):

Fair

39.7/100

SO2 (sulfur dioxide):

Good

7.5/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

8.9/100

PM1 (ultrafine particles):

Good

9.9/100

Levels show the poorest local air quality during the day

Tomorrow - 17 July | Pollution peaks at 17:00

AQI:

Medium

41.6/100

PM2.5 (fine particles):

Good

7.8/100

PM10 (coarse particles):

Good

3.7/100

NO2 (nitrogen dioxide):

Fair

35.4/100

O3 (ozone):

Medium

41.6/100

SO2 (sulfur dioxide):

Good

8.0/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

6.7/100

PM1 (ultrafine particles):

Good

9.9/100

Pollen forecast in Blagoevgrad

View pollen forecast

Frequently Asked Questions

Is air quality bad in Blagoevgrad right now?

On 16 July 2026, overall air quality in Blagoevgrad is fair. O3 is the main pollutant at 39.7/100. Pollution peaks around 2:00 AM (NO2: 40.2/100).

Will air quality be worse tomorrow in Blagoevgrad?

On 17 July 2026, air quality conditions in Blagoevgrad will be similar to today, with NO2 forecast at fair at 35.4/100. Pollution peaks around 5:00 PM (O3: 41.6/100).

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.

Want to see air quality forecasts for other cities in Bulgaria?

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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