SmogRank / Poland / Lubusz / Zielona Góra
Zielona Góra, month by month
Zielona Góra has a measured daily mean on 944 days since 1 January 2023. Its worst month was January 2026, at 98 US AQI (34.3 µg/m³), 131st of 2,617 cities on that month's world ranking. Its cleanest was May 2025, at 23 US AQI (4.1 µg/m³). 2025 averaged 57 US AQI (12.2 µg/m³), against 59 US AQI (13.4 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
16 months
| Month | Why |
|---|---|
| Oct 2026 | 4 of 12 days measured; a month needs 9. The others: 2 with no readings from the monitor, 6 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 | 13 of 30 days measured; a month needs 21. The others: 17 with under 18 hours of readings or readings that failed our checks. |
| Oct 2025 | 17 of 31 days measured; a month needs 22. The others: 14 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. |
| Mar 2024 | 20 of 31 days measured; a month needs 22. The others: 11 with under 18 hours of readings or readings that failed our checks. |
| Feb 2024 | 18 of 29 days measured; a month needs 21. The others: 1 missing from OpenAQ's archive, 10 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 | 2 of 30 days measured; a month needs 21. The others: 28 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 | No day measured. The others: 1 missing from OpenAQ's archive, 30 with under 18 hours of readings or readings that failed our checks. |
| Jun 2023 | 5 of 30 days measured; a month needs 21. The others: 25 with under 18 hours of readings or readings that failed our checks. |
| May 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. |
| Apr 2023 | 17 of 30 days measured; a month needs 21. The others: 13 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.
Zielona Góra's worst months
| Month | US AQI | World rank | Episode |
|---|---|---|---|
| January 2026 | 9834.3 µg/m³ | 131stof 2,617 | Europe, January and February 2026 Eastern Europe, January 2026and 1 more |
| February 2026 | 8929.6 µg/m³ | 264thof 2,866 | Germany, Poland and Czechia, February 2026 Europe, January and February 2026 |
| February 2025 | 7723.3 µg/m³ | 340thof 2,633 | Europe, 14 February to 1 March 2025 Europe, 1 to 14 February 2025 |
| March 2025 | 6818.0 µg/m³ | 691stof 2,862 | Europe, March 2025 Germany, Poland and 25 more countries, March 2025and 1 more |
| March 2026 | 6717.5 µg/m³ | 691stof 2,971 | Europe, 18 to 25 March 2026 Europe, 1 to 12 March 2026 |
| November 2025 | 6617.1 µg/m³ | 499thof 2,715 | Poland and Germany, November 2025 Europe, 22 to 23 November 2025and 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.
Zielona Góra's worst days
| Day | US AQI | Episode |
|---|---|---|
| 23 Jan 2026 | 17488.8 µg/m³ | Europe, January and February 2026 |
| 24 Jan 2026 | 16169.7 µg/m³ | Europe, January and February 2026 |
| 5 Feb 2026 | 15966.5 µg/m³ | Europe, January and February 2026 |
| 25 Jan 2026 | 15865.1 µg/m³ | Europe, January and February 2026 |
| 17 Feb 2026 | 15358.4 µg/m³ | Germany, Poland and Czechia, February 2026 |
| 4 Feb 2026 | 15257.6 µg/m³ | Europe, January and February 2026 |
| 10 Feb 2026 | 15256.5 µg/m³ | Europe, January and February 2026 |
| 18 Feb 2026 | 14955.1 µg/m³ | Germany, Poland and Czechia, February 2026 |
| 22 Jan 2026 | 14954.9 µg/m³ | Europe, January and February 2026 |
| 6 Feb 2026 | 14854.5 µg/m³ | Europe, January and February 2026 |
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, Zielona Góra, 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/zielona-gora/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.
Zielona Góra now: the last 24 hours, its ranks today and the last 12 months day by day.
Updated 2026-10-12 22:07 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).