SmogRank / Poland / Opole Voivodeship / Brzeg
Brzeg, month by month
Brzeg has a measured daily mean on 551 days since 9 January 2025. Its worst month was January 2026, at 90 US AQI (29.8 µg/m³), 178th of 2,617 cities on that month's world ranking. Its cleanest was May 2025, at 30 US AQI (5.4 µg/m³).
Every month since 2025
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
3 months
| Month | Why |
|---|---|
| Oct 2026 | 5 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), 1 with under 18 hours of readings or readings that failed our checks. |
| 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. |
A day counts once 18 hours of it are measured; a month needs 70% of its days.
Brzeg's worst months
| Month | US AQI | World rank | Episode |
|---|---|---|---|
| January 2026 | 9029.8 µg/m³ | 178thof 2,617 | Europe, January and February 2026 Eastern Europe, January 2026 |
| February 2025 | 8828.7 µg/m³ | 226thof 2,633 | – |
| March 2026 | 7924.3 µg/m³ | 454thof 2,971 | Europe, 18 to 25 March 2026 |
| February 2026 | 7923.9 µg/m³ | 419thof 2,866 | Europe, January and February 2026 |
| March 2025 | 7421.7 µg/m³ | 499thof 2,862 | Germany, Poland and 25 more countries, March 2025 |
| January 2025 | 7421.6 µg/m³ | 252ndof 2,474 | Germany, France and 19 more countries, January 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.
Brzeg's worst days
| Day | US AQI | Episode |
|---|---|---|
| 23 Jan 2026 | 15967.3 µg/m³ | Europe, January and February 2026 |
| 9 Jan 2026 | 15865.4 µg/m³ | Eastern Europe, January 2026 |
| 18 Jan 2025 | 15764.5 µg/m³ | Germany, France and 19 more countries, January 2025 |
| 19 Jan 2025 | 15460.4 µg/m³ | Germany, France and 19 more countries, January 2025 |
| 18 Jan 2026 | 15155.8 µg/m³ | Europe, January and February 2026 |
| 22 Jan 2026 | 15055.4 µg/m³ | Europe, January and February 2026 |
| 8 Mar 2025 | 14051.2 µg/m³ | Germany, Poland and 25 more countries, March 2025 |
| 5 Feb 2026 | 13147.8 µg/m³ | Europe, January and February 2026 |
| 22 Jan 2025 | 13147.6 µg/m³ | Germany, France and 19 more countries, January 2025 |
| 7 Mar 2025 | 13047.4 µg/m³ | Germany, Poland and 25 more countries, March 2025 |
Daily means, the highest since 9 Jan 2025; 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, Brzeg, Poland, 9 Jan 2025 – 11 Oct 2026. Monitor data from EEA, via OpenAQ and from the publisher directly; sources listed at smogrank.com/sources. smogrank.com/pl/brzeg/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.
Brzeg now: the last 24 hours, its ranks today and the last 12 months day by day.
Updated 2026-10-12 21:07 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).