Worst air pollution Dobrich, today and tomorrow

Today (21 September): Air quality in Dobrich is fair. AQI, PM2.5, and PM1 are fair; PM10, NO2, O3, SO2, CO, and HCHO are good. Pollution peaks around 8:00 AM (PM1: 35.0/100).
Tomorrow (22 September 2026): Air quality in Dobrich is good. AQI improves to good; PM2.5 decreases to good; PM1 decreases to good; all other pollutants stay as today. Pollution peaks around 8:00 PM (NO2: 19.1/100). 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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Dobrich's air quality reflects the flat Dobruja agricultural plateau in northeastern Bulgaria, with vehicle traffic on the surrounding road network and agricultural dust from the surrounding Dobruja grain farming contributing local sources. Winter residential wood and coal burning generates elevated PM2.5, while the flat Black Sea coastal plain generally allows reasonable wind dispersal and the Black Sea's easterly and northeasterly breezes provide periodic maritime ventilation.

Today - 21 September | Pollution peaks at 08:00

AQI:

Fair

35.0/100

PM2.5 (fine particles):

Fair

34.0/100

PM10 (coarse particles):

Good

16.2/100

NO2 (nitrogen dioxide):

Good

17.3/100

O3 (ozone):

Good

13.2/100

SO2 (sulfur dioxide):

Good

2.9/100

CO (carbon monoxide):

Good

0.6/100

HCHO (formaldehyde):

Good

3.4/100

PM1 (ultrafine particles):

Fair

35.0/100

Levels show the poorest local air quality during the day

Tomorrow - 22 September | Pollution peaks at 20:00

AQI:

Good

19.1/100

PM2.5 (fine particles):

Good

14.0/100

PM10 (coarse particles):

Good

6.6/100

NO2 (nitrogen dioxide):

Good

19.1/100

O3 (ozone):

Good

11.3/100

SO2 (sulfur dioxide):

Good

1.4/100

CO (carbon monoxide):

Good

0.7/100

HCHO (formaldehyde):

Good

2.0/100

PM1 (ultrafine particles):

Good

15.2/100

Pollen forecast in Dobrich

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Frequently Asked Questions

Is air quality bad in Dobrich right now?

On 21 September 2026, overall air quality in Dobrich is fair. AQI is the main air quality indicator at 35.0/100. Pollution peaks around 8:00 AM (PM1: 35.0/100).

Will air quality be worse tomorrow in Dobrich?

On 22 September 2026, air quality conditions in Dobrich will be better than today, with AQI forecast at good at 19.1/100. Pollution peaks around 8:00 PM (NO2: 19.1/100).

When is air pollution at its worst in Dobrich?

You're most likely to spot worse air in Dobrich when local tree and grass allergens peaks, or due to vehicle traffic on the local road network and agricultural dust from the surrounding Dobruja grain farming; background levels usually settle back down once the season changes.

Are air quality levels in Dobrich 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 Bulgaria?

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Data provided by Airmine — Last update: 21 September 2026 at 03:04 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.

Some text on this page may be generated or summarised using artificial intelligence (AI). Wherever possible, AI-generated content is enriched with Airmine's proprietary data to improve its accuracy and relevance. However, AI-generated content may still contain errors, omissions, or inaccuracies.

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