SmogRank / Germany / Saxony-Anhalt / Zeitz
Zeitz, month by month
Zeitz has a measured daily mean on 410 days since 4 June 2025. Its worst month was January 2026, at 80 US AQI (24.5 µg/m³), 261st of 2,617 cities on that month's world ranking. Its cleanest was October 2025, at 27 US AQI (4.9 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
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 | 14 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.
Zeitz's worst months
| Month | US AQI | World rank | Episode |
|---|---|---|---|
| January 2026 | 8024.5 µg/m³ | 261stof 2,617 | Europe, January and February 2026 Europe, December 2025 to January 2026 |
| February 2026 | 7019.4 µg/m³ | 576thof 2,866 | Europe, January and February 2026 |
| March 2026 | 6516.4 µg/m³ | 736thof 2,971 | Europe, 18 to 25 March 2026 Europe, 1 to 12 March 2026 |
| December 2025 | 5611.6 µg/m³ | 1,026thof 3,006 | Europe, December 2025 to January 2026 Eastern Europe, 16 to 21 December 2025 |
| November 2025 | 529.8 µg/m³ | 1,067thof 2,715 | – |
| April 2026 | 519.1 µg/m³ | 1,171stof 2,941 | – |
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.
Zeitz's worst days
| Day | US AQI | Episode |
|---|---|---|
| 25 Jan 2026 | 16879.7 µg/m³ | Europe, January and February 2026 |
| 6 Feb 2026 | 15966.9 µg/m³ | Europe, January and February 2026 |
| 5 Feb 2026 | 14151.9 µg/m³ | Europe, January and February 2026 |
| 4 Feb 2026 | 14051.5 µg/m³ | Europe, January and February 2026 |
| 24 Jan 2026 | 13649.8 µg/m³ | Europe, January and February 2026 |
| 30 Jan 2026 | 13348.4 µg/m³ | Europe, January and February 2026 |
| 23 Jan 2026 | 11942.8 µg/m³ | Europe, January and February 2026 |
| 31 Jan 2026 | 11741.8 µg/m³ | Europe, January and February 2026 |
| 26 Dec 2025 | 11340.2 µg/m³ | Europe, December 2025 to January 2026 |
| 3 Feb 2026 | 11139.6 µg/m³ | Europe, January and February 2026 |
Daily means, the highest since 4 Jun 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, Zeitz, Germany, 4 Jun 2025 – 10 Oct 2026. Monitor data from EEA, via OpenAQ and from the publisher directly; sources listed at smogrank.com/sources. smogrank.com/de/zeitz/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.
Zeitz 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).