SmogRank / Germany / Lower Saxony / Jork
Jork, month by month
Jork has a measured daily mean on 585 days since 6 December 2024. Its worst month was January 2026, at 69 US AQI (18.7 µg/m³), 518th of 2,617 cities on that month's world ranking. Its cleanest was September 2025, at 26 US AQI (4.6 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
2 months
| Month | Why |
|---|---|
| Jun 2026 | 16 of 30 days measured; a month needs 21. The others: 14 with under 18 hours of readings or readings that failed our checks. |
| Jun 2025 | 19 of 30 days measured; a month needs 21. The others: 11 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.
Jork's worst months
| Month | US AQI | World rank | Episode |
|---|---|---|---|
| January 2026 | 6918.7 µg/m³ | 518thof 2,617 | Europe, January and February 2026 |
| February 2026 | 6818.3 µg/m³ | 631stof 2,866 | Germany, Poland and Czechia, February 2026 Europe, January and February 2026 |
| February 2025 | 6717.8 µg/m³ | 702ndof 2,633 | Europe, 1 to 14 February 2025 |
| March 2025 | 6717.5 µg/m³ | 726thof 2,862 | Europe, March 2025 Germany, Poland and 25 more countries, March 2025 |
| March 2026 | 5913.5 µg/m³ | 1,007thof 2,971 | Europe, 18 to 25 March 2026 Europe, 1 to 12 March 2026 |
| December 2025 | 5310.1 µg/m³ | 1,304thof 3,006 | – |
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.
Jork's worst days
| Day | US AQI | Episode |
|---|---|---|
| 23 Jan 2026 | 16169.8 µg/m³ | Europe, January and February 2026 |
| 24 Jan 2026 | 13549.5 µg/m³ | Europe, January and February 2026 |
| 10 Mar 2025 | 13047.4 µg/m³ | Germany, Poland and 25 more countries, March 2025 |
| 25 Jan 2026 | 12344.6 µg/m³ | Europe, January and February 2026 |
| 13 Feb 2025 | 10938.9 µg/m³ | Europe, 1 to 14 February 2025 |
| 6 Feb 2026 | 10436.7 µg/m³ | Europe, January and February 2026 |
| 31 Jan 2026 | 10336.5 µg/m³ | Europe, January and February 2026 |
| 17 Feb 2026 | 10035.3 µg/m³ | Germany, Poland and Czechia, February 2026 |
| 9 Mar 2025 | 9834.1 µg/m³ | Germany, Poland and 25 more countries, March 2025 |
| 8 Mar 2026 | 9733.8 µg/m³ | Europe, 1 to 12 March 2026 |
Daily means, the highest since 6 Dec 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, Jork, Germany, 6 Dec 2024 – 10 Oct 2026. Monitor data from EEA, via OpenAQ and from the publisher directly; sources listed at smogrank.com/sources. smogrank.com/de/jork/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.
Jork now: the last 24 hours, its ranks today and the last 12 months day by day.
Updated 2026-10-12 18:07 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).