SmogRank / Germany / Mecklenburg-Vorpommern / Barth
Barth, month by month
Barth has a measured daily mean on 606 days since 1 June 2024. Its worst month was January 2026, at 64 US AQI (16.2 µg/m³), 687th of 2,617 cities on that month's world ranking. Its cleanest was October 2025, at 24 US AQI (4.3 µg/m³).
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
11 months
| Month | Why |
|---|---|
| Sep 2026 | 13 of 30 days measured; a month needs 21. The others: 1 with no readings from the monitor, 16 with readings for part of the day (a day needs 18 hours). |
| Aug 2026 | 2 of 31 days measured; a month needs 22. The others: 1 with no readings from the monitor, 28 with readings for part of the day (a day needs 18 hours). |
| Jul 2026 | 19 of 31 days measured; a month needs 22. The others: 1 with no readings from the monitor, 11 with readings for part of the day (a day needs 18 hours). |
| Jun 2026 | 15 of 30 days measured; a month needs 21. The others: 7 with no readings from the monitor, 8 with readings for part of the day (a day needs 18 hours). |
| May 2026 | 20 of 31 days measured; a month needs 22. The others: 11 with readings for part of the day (a day needs 18 hours). |
| Sep 2025 | 17 of 30 days measured; a month needs 21. The others: 6 with no readings from the monitor, 7 with readings for part of the day (a day needs 18 hours). |
| Jun 2025 | 17 of 30 days measured; a month needs 21. The others: 13 with readings for part of the day (a day needs 18 hours). |
| May 2025 | 20 of 31 days measured; a month needs 22. The others: 3 with no readings from the monitor, 8 with readings for part of the day (a day needs 18 hours). |
| Oct 2024 | 15 of 31 days measured; a month needs 22. The others: 16 with readings for part of the day (a day needs 18 hours). |
| Sep 2024 | No day measured. The others: 30 with readings for part of the day (a day needs 18 hours). |
| Aug 2024 | 15 of 31 days measured; a month needs 22. The others: 1 with no readings from the monitor, 15 with readings for part of the day (a day needs 18 hours). |
A day counts once 18 hours of it are measured; a month needs 70% of its days.
Barth's worst months
| Month | US AQI | World rank | Episode |
|---|---|---|---|
| January 2026 | 6416.2 µg/m³ | 687thof 2,617 | Europe, January and February 2026 |
| March 2025 | 6315.6 µg/m³ | 893rdof 2,862 | Germany, Poland and 25 more countries, March 2025 Europe, 14 February to 1 March 2025 |
| February 2025 | 6014.0 µg/m³ | 920thof 2,633 | Europe, 14 February to 1 March 2025 Europe, 1 to 14 February 2025 |
| February 2026 | 6014.0 µg/m³ | 855thof 2,866 | Europe, January and February 2026 |
| March 2026 | 6013.9 µg/m³ | 956thof 2,971 | Europe, 18 to 25 March 2026 Europe, 1 to 12 March 2026 |
| December 2025 | 529.9 µg/m³ | 1,348thof 3,006 | Eastern Europe, 3 to 7 December 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.
Barth's worst days
| Day | US AQI | Episode |
|---|---|---|
| 23 Jan 2026 | 13649.8 µg/m³ | Europe, January and February 2026 |
| 8 Mar 2026 | 11842.3 µg/m³ | Europe, 1 to 12 March 2026 |
| 10 Mar 2026 | 11641.6 µg/m³ | Europe, 1 to 12 March 2026 |
| 9 Mar 2025 | 11440.6 µg/m³ | Germany, Poland and 25 more countries, March 2025 |
| 11 Feb 2026 | 11240.0 µg/m³ | Europe, January and February 2026 |
| 10 Mar 2025 | 10537.2 µg/m³ | Germany, Poland and 25 more countries, March 2025 |
| 10 Feb 2026 | 10537.0 µg/m³ | Europe, January and February 2026 |
| 19 Jan 2026 | 10436.8 µg/m³ | Europe, January and February 2026 |
| 25 Jan 2026 | 10436.6 µg/m³ | Europe, January and February 2026 |
| 22 Jan 2026 | 10135.7 µg/m³ | Europe, January and February 2026 |
Daily means, the highest since 1 Jun 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, Barth, Germany, 1 Jun 2024 – 10 Oct 2026. Monitor data from EEA, via OpenAQ and from the publisher directly; sources listed at smogrank.com/sources. smogrank.com/de/barth/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.
Barth now: the last 24 hours, its ranks today and the last 12 months day by day.
Updated 2026-10-12 17:07 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).