Worst air pollution Pirot, today and tomorrow

Today (16 July): Air quality in Pirot is fair. AQI, NO2, and O3 are fair; PM2.5, PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 2:00 PM (O3: 36.4/100).
Tomorrow (17 July 2026): Air quality in Pirot is fair. All pollutants stay as today. Pollution peaks around 1:00 PM (O3: 37.2/100). 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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Pirot, in an enclosed valley on the Nišava river, sees textile-industry legacy emissions trapped by the valley as its principal air quality driver. The Pirot terrain shapes local dispersion, and while breezy, unsettled weather usually brings swift improvement, prolonged calm periods can let pollutant levels climb noticeably.

Today - 16 July | Pollution peaks at 14:00

AQI:

Fair

36.4/100

PM2.5 (fine particles):

Good

7.3/100

PM10 (coarse particles):

Good

4.0/100

NO2 (nitrogen dioxide):

Fair

26.1/100

O3 (ozone):

Fair

36.4/100

SO2 (sulfur dioxide):

Good

2.8/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

14.2/100

PM1 (ultrafine particles):

Good

9.1/100

Levels show the poorest local air quality during the day

Tomorrow - 17 July | Pollution peaks at 13:00

AQI:

Fair

37.2/100

PM2.5 (fine particles):

Good

9.0/100

PM10 (coarse particles):

Good

3.8/100

NO2 (nitrogen dioxide):

Fair

25.4/100

O3 (ozone):

Fair

37.2/100

SO2 (sulfur dioxide):

Good

4.0/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

12.0/100

PM1 (ultrafine particles):

Good

10.4/100

Pollen forecast in Pirot

View pollen forecast

Frequently Asked Questions

Is air quality bad in Pirot right now?

On 16 July 2026, overall air quality in Pirot is fair. AQI is the main air quality indicator at 36.4/100. Pollution peaks around 2:00 PM (O3: 36.4/100).

Will air quality be worse tomorrow in Pirot?

On 17 July 2026, air quality conditions in Pirot will be similar to today, with AQI forecast at fair at 37.2/100. Pollution peaks around 1:00 PM (O3: 37.2/100).

When is air pollution at its worst in Pirot?

The clearest dips in Pirot's air quality track oak and hornbeam pollen peaks and periods of textile-industry legacy emissions trapped by the valley; the rest of the year typically brings clearer, more consistent conditions for the Pirot area, particularly once autumn winds set in and the local terrain ventilates more easily than during calmer stretches.

Are air quality levels in Pirot 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 Serbia?

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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