SmogRank / Latvia / Rēzekne / Rēzekne
Rēzekne, month by month
Rēzekne has a measured daily mean on 853 days since 11 January 2023. Its worst month was February 2026, at 85 US AQI (27.5 µg/m³), 296th of 2,866 cities on that month's world ranking. Its cleanest was September 2026, at 29 US AQI (5.2 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
17 months
| Month | Why |
|---|---|
| Jun 2026 | 19 of 30 days measured; a month needs 21. The others: 11 with under 18 hours of readings or readings that failed our checks. |
| Oct 2024 | 14 of 31 days measured; a month needs 22. The others: 17 with under 18 hours of readings or readings that failed our checks. |
| Sep 2024 | No day measured. The others: 30 with under 18 hours of readings or readings that failed our checks. |
| Aug 2024 | 14 of 31 days measured; a month needs 22. The others: 17 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. |
| Jan 2024 | 3 of 31 days measured; a month needs 22. The others: 28 with under 18 hours of readings or readings that failed our checks. |
| 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 | No day measured. The others: 31 with under 18 hours of readings or readings that failed our checks. |
| Sep 2023 | No day measured. The others: 30 with under 18 hours of readings or readings that failed our checks. |
| Aug 2023 | No day measured. The others: 31 with under 18 hours of readings or readings that failed our checks. |
| Jul 2023 | 1 of 31 days measured; a month needs 22. The others: 30 with under 18 hours of readings or readings that failed our checks. |
| Jun 2023 | No day measured. The others: 30 with under 18 hours of readings or readings that failed our checks. |
| May 2023 | No day measured. The others: 31 with under 18 hours of readings or readings that failed our checks. |
| Apr 2023 | 3 of 30 days measured; a month needs 21. The others: 27 with under 18 hours of readings or readings that failed our checks. |
| Mar 2023 | 20 of 31 days measured; a month needs 22. The others: 11 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.
Rēzekne's worst months
| Month | US AQI | World rank | Episode |
|---|---|---|---|
| February 2026 | 8527.5 µg/m³ | 296thof 2,866 | Poland and Latvia, February 2026 Europe, January and February 2026 |
| January 2026 | 8225.9 µg/m³ | 228thof 2,617 | Europe, January and February 2026 |
| March 2026 | 7321.1 µg/m³ | 562ndof 2,971 | – |
| February 2025 | 6617.0 µg/m³ | 758thof 2,633 | Europe, 14 February to 1 March 2025 |
| March 2025 | 6616.9 µg/m³ | 777thof 2,862 | Germany, Poland and 25 more countries, March 2025 Europe, 14 February to 1 March 2025 |
| February 2024 | 5812.9 µg/m³ | 413thof 2,486 | – |
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.
Rēzekne's worst days
| Day | US AQI | Episode |
|---|---|---|
| 4 Feb 2026 | 17590.1 µg/m³ | Europe, January and February 2026 |
| 16 Feb 2026 | 16474.1 µg/m³ | – |
| 17 Feb 2026 | 16474.1 µg/m³ | – |
| 14 Jan 2026 | 16170.1 µg/m³ | Europe, January and February 2026 |
| 21 Jan 2026 | 15155.6 µg/m³ | Europe, January and February 2026 |
| 20 Oct 2025 | 14452.8 µg/m³ | – |
| 20 Jan 2026 | 14151.7 µg/m³ | Europe, January and February 2026 |
| 29 Mar 2026 | 12545.1 µg/m³ | – |
| 2 Apr 2024 | 12244.1 µg/m³ | Europe, March and April 2024 |
| 24 Feb 2025 | 11641.5 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, Rēzekne, Latvia, 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/lv/rezekne/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.
Rēzekne now: the last 24 hours, its ranks today and the last 12 months day by day.
Updated 2026-10-12 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).