SmogRank / Poland / Silesia / Racibórz
Racibórz, month by month
Racibórz has a measured daily mean on 1,104 days since 1 January 2023. Its worst month was December 2024, at 106 US AQI (37.5 µg/m³), 52nd of 2,616 cities on that month's world ranking. Its cleanest was June 2025, at 33 US AQI (6.0 µg/m³). 2025 averaged 60 US AQI (13.7 µg/m³), against 74 US AQI (21.5 µg/m³) in 2024.
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
12 months
| Month | Why |
|---|---|
| Oct 2026 | 6 of 12 days measured; a month needs 9. The others: 2 with no readings from the monitor, 4 with readings for part of the day (a day needs 18 hours). |
| May 2026 | No day measured. The others: 31 with under 18 hours of readings or readings that failed our checks. |
| Apr 2026 | 12 of 30 days measured; a month needs 21. The others: 18 with under 18 hours of readings or readings that failed our checks. |
| Dec 2025 | 21 of 31 days measured; a month needs 22. The others: 10 with under 18 hours of readings or readings that failed our checks. |
| Feb 2025 | 19 of 28 days measured; a month needs 20. The others: 9 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 | 3 of 31 days measured; a month needs 22. The others: 28 with under 18 hours of readings or readings that failed our checks. |
| Aug 2023 | 16 of 31 days measured; a month needs 22. The others: 15 with under 18 hours of readings or readings that failed our checks. |
| Jul 2023 | 15 of 31 days measured; a month needs 22. The others: 16 with under 18 hours of readings or readings that failed our checks. |
| Jun 2023 | 18 of 30 days measured; a month needs 21. The others: 12 with under 18 hours of readings or readings that failed our checks. |
| May 2023 | 19 of 31 days measured; a month needs 22. The others: 12 with under 18 hours of readings or readings that failed our checks. |
A day counts once 18 hours of it are measured; a month needs 70% of its days.
Racibórz's worst months
| Month | US AQI | World rank | Episode |
|---|---|---|---|
| December 2024 | 10637.5 µg/m³ | 52ndof 2,616 | Europe, 24 December 2024 to 3 January 2025 Eastern Europe, 30 November to 8 December 2024and 1 more |
| January 2024 | 10235.8 µg/m³ | 84thof 2,385 | Europe, 8 to 27 January 2024 Eastern Europe, January 2024 |
| January 2026 | 9532.7 µg/m³ | 146thof 2,617 | Europe, January and February 2026 |
| March 2024 | 9030.1 µg/m³ | 28thof 1,698 | Europe, March and April 2024 Poland, 20 to 21 March 2024and 2 more |
| February 2023 | 8828.7 µg/m³ | 30thof 1,129 | Europe, 28 February to 4 March 2023 Europe, 6 to 25 February 2023 |
| November 2024 | 8627.7 µg/m³ | 79thof 2,624 | Eastern Europe, 30 November to 8 December 2024 Europe, November 2024and 1 more |
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.
Racibórz's worst days
| Day | US AQI | Episode |
|---|---|---|
| 10 Jan 2024 | 244169.0 µg/m³ | Europe, 8 to 27 January 2024 |
| 27 Dec 2024 | 224149.0 µg/m³ | Europe, 24 December 2024 to 3 January 2025 |
| 28 Dec 2024 | 218143.0 µg/m³ | Europe, 24 December 2024 to 3 January 2025 |
| 9 Jan 2024 | 18096.2 µg/m³ | Europe, 8 to 27 January 2024 |
| 11 Jan 2024 | 17995.8 µg/m³ | Europe, 8 to 27 January 2024 |
| 30 Dec 2024 | 17792.9 µg/m³ | Europe, 24 December 2024 to 3 January 2025 |
| 22 Jan 2026 | 17488.1 µg/m³ | Europe, January and February 2026 |
| 7 Feb 2023 | 17487.7 µg/m³ | Europe, 6 to 25 February 2023 |
| 26 Dec 2024 | 17285.1 µg/m³ | Europe, 24 December 2024 to 3 January 2025 |
| 9 Feb 2025 | 17183.9 µg/m³ | Europe, 1 to 14 February 2025 |
Daily means, the highest since 1 Jan 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, Racibórz, Poland, 1 Jan 2023 – 12 Oct 2026. Monitor data from EEA, via OpenAQ and from the publisher directly; sources listed at smogrank.com/sources. smogrank.com/pl/raciborz/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.
Racibórz now: the last 24 hours, its ranks today and the last 12 months day by day.
Updated 2026-10-13 01:07 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).