SmogRank / Lithuania / Kaunas / Kaunas
Kaunas, month by month
Kaunas has a measured daily mean on 899 days since 11 January 2023. Its worst month was January 2024, at 61 US AQI (14.6 µg/m³), 490th of 2,385 cities on that month's world ranking. Its cleanest was July 2026, at 6 US AQI (1.0 µg/m³).
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
20 months
| Month | Why |
|---|---|
| Sep 2026 | 13 of 30 days measured; a month needs 21. The others: 7 with readings for part of the day (a day needs 18 hours), 5 with readings left out by our checks, 5 with under 18 hours of readings or readings that failed our checks. |
| Jun 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. |
| May 2026 | 9 of 31 days measured; a month needs 22. The others: 22 with under 18 hours of readings or readings that failed our checks. |
| Mar 2026 | 5 of 31 days measured; a month needs 22. The others: 26 with under 18 hours of readings or readings that failed our checks. |
| Feb 2026 | 1 of 28 days measured; a month needs 20. The others: 27 with under 18 hours of readings or readings that failed our checks. |
| Jan 2026 | No day measured. The others: 31 with under 18 hours of readings or readings that failed our checks. |
| Dec 2025 | 1 of 31 days measured; a month needs 22. The others: 30 with under 18 hours of readings or readings that failed our checks. |
| Nov 2025 | 7 of 30 days measured; a month needs 21. The others: 23 with under 18 hours of readings or readings that failed our checks. |
| Mar 2025 | 19 of 31 days measured; a month needs 22. The others: 12 with under 18 hours of readings or readings that failed our checks. |
| Feb 2025 | 18 of 28 days measured; a month needs 20. The others: 10 with under 18 hours of readings or readings that failed our checks. |
| Jan 2025 | 19 of 31 days measured; a month needs 22. The others: 12 with under 18 hours of readings or readings that failed our checks. |
| Oct 2024 | 16 of 31 days measured; a month needs 22. The others: 15 with under 18 hours of readings or readings that failed our checks. |
| Sep 2024 | 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 2024 | 17 of 31 days measured; a month needs 22. The others: 14 with under 18 hours of readings or readings that failed our checks. |
| Mar 2024 | 15 of 31 days measured; a month needs 22. The others: 16 with under 18 hours of readings or readings that failed our checks. |
| Oct 2023 | 11 of 31 days measured; a month needs 22. The others: 20 with under 18 hours of readings or readings that failed our checks. |
| Sep 2023 | 11 of 30 days measured; a month needs 21. The others: 19 with under 18 hours of readings or readings that failed our checks. |
| Aug 2023 | 4 of 31 days measured; a month needs 22. The others: 27 with under 18 hours of readings or readings that failed our checks. |
| Jul 2023 | 17 of 31 days measured; a month needs 22. The others: 14 with under 18 hours of readings or readings that failed our checks. |
| Jan 2023 | 7 of 31 days measured; a month needs 22. The others: 14 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.
Kaunas's worst months
| Month | US AQI | World rank | Episode |
|---|---|---|---|
| January 2024 | 6114.6 µg/m³ | 490thof 2,385 | Europe, 28 to 31 January 2024 Europe, 8 to 27 January 2024 |
| October 2025 | 5812.6 µg/m³ | 422ndof 2,614 | Poland, Latvia and Lithuania, October 2025 |
| December 2024 | 5712.1 µg/m³ | 668thof 2,616 | Europe, 24 December 2024 to 3 January 2025 |
| February 2024 | 5612.0 µg/m³ | 476thof 2,486 | Europe, February and March 2024 |
| December 2023 | 5611.6 µg/m³ | 466thof 2,247 | – |
| November 2024 | 5511.0 µg/m³ | 698thof 2,624 | Eastern Europe, October and November 2024 |
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.
Kaunas's worst days
| Day | US AQI | Episode |
|---|---|---|
| 8 Mar 2025 | 198122.4 µg/m³ | Germany, Poland and 25 more countries, March 2025 |
| 12 Mar 2025 | 17691.8 µg/m³ | Germany, Poland and 25 more countries, March 2025 |
| 7 Mar 2025 | 17590.1 µg/m³ | Germany, Poland and 25 more countries, March 2025 |
| 9 Mar 2025 | 17285.6 µg/m³ | Germany, Poland and 25 more countries, March 2025 |
| 16 Feb 2025 | 16170.4 µg/m³ | Europe, 14 February to 1 March 2025 |
| 13 Mar 2025 | 16067.9 µg/m³ | Germany, Poland and 25 more countries, March 2025 |
| 1 Jan 2025 | 13047.1 µg/m³ | Europe, 24 December 2024 to 3 January 2025 |
| 8 Jan 2024 | 12946.9 µg/m³ | Europe, 8 to 27 January 2024 |
| 10 Mar 2025 | 12043.3 µg/m³ | Germany, Poland and 25 more countries, March 2025 |
| 14 Feb 2025 | 11541.1 µg/m³ | Europe, 14 February to 1 March 2025 |
Daily means, the highest since 11 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, Kaunas, Lithuania, 11 Jan 2023 – 12 Oct 2026. Monitor data from EEA, via OpenAQ and from the publisher directly; sources listed at smogrank.com/sources. smogrank.com/lt/kaunas/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.
Kaunas 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).