SmogRank / Poland / Silesia / Żywiec
Żywiec, month by month
Żywiec has a measured daily mean on 816 days since 25 January 2024. Its worst month was January 2026, at 160 US AQI (68.6 µg/m³), 25th of 2,617 cities on that month's world ranking. Its cleanest was September 2025, at 41 US AQI (7.4 µg/m³). 2025 averaged 84 US AQI (26.8 µg/m³), against 68 US AQI (18.2 µg/m³) in 2024.
Every month since 2024
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
6 months
| Month | Why |
|---|---|
| Oct 2026 | 5 of 11 days measured; a month needs 8. 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. |
| Oct 2025 | 11 of 31 days measured; a month needs 22. The others: 20 with under 18 hours of readings or readings that failed our checks. |
| Jul 2025 | 2 of 31 days measured; a month needs 22. The others: 29 with under 18 hours of readings or readings that failed our checks. |
| Jan 2024 | 6 of 31 days measured; a month needs 22. The others: 1 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.
Żywiec's worst months
| Month | US AQI | World rank | Episode |
|---|---|---|---|
| January 2026 | 16068.6 µg/m³ | 25thof 2,617 | Europe, January and February 2026 Eastern Europe, January 2026and 2 more |
| February 2025 | 15155.7 µg/m³ | 31stof 2,633 | Europe, 14 February to 1 March 2025 Europe, 1 to 14 February 2025 |
| December 2025 | 15155.6 µg/m³ | 174thof 3,006 | Europe, December 2025 to January 2026 Eastern Europe, 16 to 21 December 2025and 1 more |
| February 2026 | 13448.7 µg/m³ | 114thof 2,866 | Europe, January and February 2026 |
| March 2026 | 11541.0 µg/m³ | 138thof 2,971 | – |
| November 2025 | 11440.8 µg/m³ | 208thof 2,715 | Poland and Germany, November 2025 Europe, 8 to 10 November 2025 |
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.
Żywiec's worst days
| Day | US AQI | Episode |
|---|---|---|
| 23 Jan 2026 | 308229.0 µg/m³ | Europe, January and February 2026 |
| 28 Dec 2024 | 250175.0 µg/m³ | Europe, 24 December 2024 to 3 January 2025 |
| 5 Feb 2026 | 248173.0 µg/m³ | Europe, January and February 2026 |
| 24 Jan 2026 | 240165.0 µg/m³ | Europe, January and February 2026 |
| 5 Dec 2025 | 233158.0 µg/m³ | Eastern Europe, 3 to 7 December 2025 |
| 6 Feb 2026 | 226151.0 µg/m³ | Europe, January and February 2026 |
| 22 Jan 2025 | 220145.0 µg/m³ | Germany, France and 19 more countries, January 2025 |
| 4 Feb 2026 | 209134.0 µg/m³ | Europe, January and February 2026 |
| 10 Jan 2026 | 208133.0 µg/m³ | Eastern Europe, January 2026 |
| 4 Dec 2025 | 206131.0 µg/m³ | Eastern Europe, 3 to 7 December 2025 |
Daily means, the highest since 25 Jan 2024; 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, Żywiec, Poland, 25 Jan 2024 – 11 Oct 2026. Monitor data from EEA, via OpenAQ and from the publisher directly; sources listed at smogrank.com/sources. smogrank.com/pl/zywiec/history (accessed 12 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.
Żywiec now: the last 24 hours, its ranks today and the last 12 months day by day.
Updated 2026-10-12 20:07 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).