SmogRank / Serbia / Central Serbia / Obrenovac
Obrenovac, month by month
Obrenovac has a measured daily mean on 794 days since 31 March 2023. Its worst month was November 2024, at 129 US AQI (46.9 µg/m³), 34th of 2,624 cities on that month's world ranking. Its cleanest was May 2024, at 53 US AQI (10.3 µg/m³).
Every month since 2023
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
Months without a mean, and why
18 months
| Month | Why |
|---|---|
| Mar 2026 | No day measured. The others: 31 with under 18 hours of readings or readings that failed our checks. |
| Feb 2026 | No day measured. The others: 28 with under 18 hours of readings or readings that failed our checks. |
| Jan 2026 | No day measured. The others: 31 with under 18 hours of readings or readings that failed our checks. |
| Dec 2025 | 1 of 31 days measured; a month needs 22. The others: 30 with under 18 hours of readings or readings that failed our checks. |
| Nov 2025 | 12 of 30 days measured; a month needs 21. The others: 18 with under 18 hours of readings or readings that failed our checks. |
| Oct 2025 | 9 of 31 days measured; a month needs 22. The others: 22 with under 18 hours of readings or readings that failed our checks. |
| Aug 2025 | 6 of 31 days measured; a month needs 22. The others: 25 with under 18 hours of readings or readings that failed our checks. |
| Jul 2025 | No day measured. The others: 31 with under 18 hours of readings or readings that failed our checks. |
| Dec 2023 | No day measured. The others: 31 with under 18 hours of readings or readings that failed our checks. |
| Nov 2023 | No day measured. The others: 30 with under 18 hours of readings or readings that failed our checks. |
| Oct 2023 | No day measured. The others: 31 with under 18 hours of readings or readings that failed our checks. |
| Sep 2023 | 4 of 30 days measured; a month needs 21. The others: 26 with under 18 hours of readings or readings that failed our checks. |
| Aug 2023 | 2 of 31 days measured; a month needs 22. The others: 29 with under 18 hours of readings or readings that failed our checks. |
| Jul 2023 | 2 of 31 days measured; a month needs 22. The others: 1 missing from OpenAQ's archive, 28 with under 18 hours of readings or readings that failed our checks. |
| Jun 2023 | 11 of 30 days measured; a month needs 21. The others: 19 with under 18 hours of readings or readings that failed our checks. |
| May 2023 | 13 of 31 days measured; a month needs 22. The others: 18 with under 18 hours of readings or readings that failed our checks. |
| Apr 2023 | 20 of 30 days measured; a month needs 21. The others: 3 missing from OpenAQ's archive, 7 with under 18 hours of readings or readings that failed our checks. |
| Mar 2023 | 1 of 31 days measured; a month needs 22. |
A day counts once 18 hours of it are measured; a month needs 70% of its days.
Obrenovac's worst months
| Month | US AQI | World rank | Episode |
|---|---|---|---|
| November 2024 | 12946.9 µg/m³ | 34thof 2,624 | Eastern Europe, 25 to 29 November 2024 Southern Europe, November 2024and 2 more |
| February 2025 | 12244.2 µg/m³ | 64thof 2,633 | Europe, 14 February to 1 March 2025 Europe, 1 to 14 February 2025 |
| December 2024 | 10637.5 µg/m³ | 52ndof 2,616 | Serbia, Slovenia and 10 more countries, December 2024 |
| January 2025 | 10135.6 µg/m³ | 64thof 2,474 | Germany, France and 19 more countries, January 2025 |
| January 2024 | 9934.9 µg/m³ | 95thof 2,385 | Europe, 27 January to 2 February 2024 |
| February 2024 | 9331.9 µg/m³ | 94thof 2,486 | Europe, 27 January to 2 February 2024 |
Monthly means over the days measured; finished months only. World rank: its place on that month's world ranking of every city with enough days. Each month opens that ranking.
Obrenovac's worst days
| Day | US AQI | Episode |
|---|---|---|
| 18 Nov 2024 | 191112.0 µg/m³ | Southern Europe, November 2024 |
| 19 Dec 2024 | 183101.5 µg/m³ | Serbia, Slovenia and 10 more countries, December 2024 |
| 1 Feb 2024 | 18198.4 µg/m³ | Europe, 27 January to 2 February 2024 |
| 8 Nov 2024 | 18198.3 µg/m³ | Europe, November 2024 |
| 18 Dec 2024 | 18096.8 µg/m³ | Serbia, Slovenia and 10 more countries, December 2024 |
| 7 Nov 2024 | 17691.6 µg/m³ | Europe, November 2024 |
| 9 Nov 2024 | 17691.4 µg/m³ | Europe, November 2024 |
| 31 Jan 2024 | 17284.9 µg/m³ | Europe, 27 January to 2 February 2024 |
| 20 Feb 2025 | 16778.5 µg/m³ | Europe, 14 February to 1 March 2025 |
| 25 Feb 2025 | 16676.3 µg/m³ | Europe, 14 February to 1 March 2025 |
Daily means, the highest since 31 Mar 2023; the WHO's daily guideline is 15 µg/m³. Each date opens that day's world ranking, and each episode the bad-air spell it was part of.
Use this history
SmogRank, PM2.5 monthly and daily means, Obrenovac, Serbia, 31 Mar 2023 – 12 Oct 2026. Monitor data from EEA, via OpenAQ and from the publisher directly; sources listed at smogrank.com/sources. smogrank.com/rs/obrenovac/history (accessed 13 Oct 2026).
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.
Obrenovac now: the last 24 hours, its ranks today and the last 12 months day by day.
Updated 2026-10-13 00:07 UTC. Values are PM2.5 (fine particles), the median of each city's monitors, as the US AQI PM2.5 sub-index. Some low-cost readings: Sensor.Community, ODbL (data and licence). Some readings: Uzhydromet (Uzbekistan's Hydrometeorological Service); Department of Environment, Nepal; Vietnam's government monitors; Aurassure; Umhverfisstofnun (Environment Agency of Iceland); RMCAB (Secretaría Distrital de Ambiente, Bogotá); Love My Air (City and County of Denver), no reuse terms published (why we use them).