SmogRank / Poland / Lower Silesia / Kłodzko
Kłodzko, month by month
Kłodzko has a measured daily mean on 1,198 days since 1 January 2023. Its worst month was January 2026, at 142 US AQI (52.3 µg/m³), 45th of 2,978 cities on that month's world ranking. Its cleanest was July 2024, at 36 US AQI (6.5 µg/m³). 2025 averaged 70 US AQI (19.5 µg/m³), against 66 US AQI (17.3 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
7 months
| Month | Why |
|---|---|
| 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 | 4 of 31 days measured; a month needs 22. The others: 27 with under 18 hours of readings or readings that failed our checks. |
| Aug 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. |
| Jul 2023 | 14 of 31 days measured; a month needs 22. The others: 17 with under 18 hours of readings or readings that failed our checks. |
| Jun 2023 | 18 of 30 days measured; a month needs 21. The others: 12 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. |
A day counts once 18 hours of it are measured; a month needs 70% of its days.
Kłodzko's worst months
| Month | US AQI | World rank | Episode |
|---|---|---|---|
| January 2026 | 14252.3 µg/m³ | 45thof 2,978 | Europe, January and February 2026 Eastern Europe, January 2026and 2 more |
| February 2025 | 13549.5 µg/m³ | 42ndof 2,852 | Europe, 14 February to 1 March 2025 Europe, 1 to 14 February 2025 |
| February 2026 | 11340.3 µg/m³ | 155thof 3,180 | Europe, January and February 2026 |
| March 2025 | 11139.7 µg/m³ | 156thof 3,102 | Europe, March 2025 Germany, Poland and 25 more countries, March 2025and 1 more |
| January 2024 | 10035.3 µg/m³ | 90thof 2,385 | Europe, 8 to 27 January 2024 |
| December 2024 | 9532.5 µg/m³ | 76thof 2,616 | Europe, 24 December 2024 to 3 January 2025 Eastern Europe, 30 November to 8 December 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.
Kłodzko's worst days
| Day | US AQI | Episode |
|---|---|---|
| 9 Jan 2026 | 221145.4 µg/m³ | Eastern Europe, January 2026 |
| 6 Feb 2026 | 218142.3 µg/m³ | Europe, January and February 2026 |
| 10 Jan 2024 | 216141.0 µg/m³ | Europe, 8 to 27 January 2024 |
| 11 Jan 2024 | 212137.0 µg/m³ | Europe, 8 to 27 January 2024 |
| 28 Dec 2024 | 209134.0 µg/m³ | Europe, 24 December 2024 to 3 January 2025 |
| 6 Jan 2026 | 197121.1 µg/m³ | Poland, January 2026 |
| 23 Jan 2026 | 190110.6 µg/m³ | Europe, January and February 2026 |
| 24 Jan 2026 | 189109.8 µg/m³ | Europe, January and February 2026 |
| 27 Dec 2024 | 189109.0 µg/m³ | Europe, 24 December 2024 to 3 January 2025 |
| 5 Feb 2026 | 188108.9 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, Kłodzko, 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/klodzko/history (accessed 13 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.
Kłodzko now: the last 24 hours, its ranks today and the last 12 months day by day.
Updated 2026-10-13 21:07 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).