SmogRank / World / Serbia / December 2023

Most unhealthy days in Serbia, December 2023

3 cities in 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.

← Niš 74% 70%0
Every city in Serbia ranked for December 2023, one column each, ranked by unhealthy days: height is the share of its measured days that were unhealthy, colour its average. Point at it to read a city; tap to open it.
  1. 1NišCentral Serbia
    23 of 31
  2. 2BelgradeCentral Serbia
    16 of 31
  3. 3Novi SadVojvodina
    8 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 · Serbia now

Regions

Central Serbia 2Vojvodina 1

Ranked cities in each region, December 2023.

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

Download top 10 by average (PNG)

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.