SmogRank / World / Serbia / Central Serbia / December 2023

Most unhealthy days in Central Serbia, Serbia, December 2023

2 cities in Central Serbia, Serbia ranked by their share of unhealthy days over the 31 days. The most unhealthy days: Niš, Serbia, 23 of 31 measured days. A city needs measurements on 70% of the days to be ranked.

Ranked by unhealthy days: the share of each city's measured days with a daily mean over 35.4 µg/m³ (US AQI 101+), Unhealthy for Sensitive Groups or worse on the US EPA's scale. Ties go to the higher average.

  1. 1Niš
    23 of 31
  2. 2Belgrade
    16 of 31
Good0–50
Moderate51–100
Sensitive groups101–150
Unhealthy151–200
Very unhealthy201–300
Hazardous301+

The US EPA's Air Quality Index for PM2.5 (2024 breakpoints). Show values as: µg/m³ · US AQI · India AQI · China AQI · European AQI · UK DAQI · Canada AQHI+. About the scales

All cities in the world, December 2023 · All cities in Serbia, December 2023 · Central Serbia now

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SmogRank, most polluted cities in Central Serbia, Serbia, by unhealthy days, PM2.5, December 2023, smogrank.com/rs/region/central-serbia/history/2023-12?by=days (accessed 7 Oct 2026).

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You're welcome to reuse a single chart, image or figure with this citation and a link. Terms. Raw monitor readings in bulk are published by OpenAQ, under each provider's licence.