SmogRank / Spain / Murcia / Lorca
Lorca, month by month
Lorca has a measured daily mean on 674 days since 30 December 2023. Its worst month was August 2025, at 71 US AQI (19.7 µg/m³), 209th of 2,901 cities on that month's world ranking. Its cleanest was November 2025, at 38 US AQI (6.8 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
13 months
| Month | Why |
|---|---|
| Oct 2026 | 4 of 11 days measured; a month needs 8. The others: 3 with no readings from the monitor, 4 with readings for part of the day (a day needs 18 hours). |
| Jul 2026 | 17 of 31 days measured; a month needs 22. The others: 14 with under 18 hours of readings or readings that failed our checks. |
| Jun 2026 | 10 of 30 days measured; a month needs 21. The others: 20 with under 18 hours of readings or readings that failed our checks. |
| May 2026 | 2 of 31 days measured; a month needs 22. The others: 29 with under 18 hours of readings or readings that failed our checks. |
| Apr 2026 | No day measured. The others: 30 with under 18 hours of readings or readings that failed our checks. |
| Mar 2026 | No day measured. The others: 31 with under 18 hours of readings or readings that failed our checks. |
| Feb 2026 | 8 of 28 days measured; a month needs 20. The others: 20 with under 18 hours of readings or readings that failed our checks. |
| Oct 2024 | 9 of 31 days measured; a month needs 22. The others: 22 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 | 7 of 31 days measured; a month needs 22. The others: 24 with under 18 hours of readings or readings that failed our checks. |
| Jul 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. |
| Dec 2023 | 2 of 31 days measured; a month needs 22. |
A day counts once 18 hours of it are measured; a month needs 70% of its days.
Lorca's worst months
| Month | US AQI | World rank | Episode |
|---|---|---|---|
| August 2025 | 7119.7 µg/m³ | 209thof 2,901 | Northern Spain, August 2025 Spain, Portugal and Andorra, August 2025 |
| June 2025 | 6315.4 µg/m³ | 411thof 2,508 | North-eastern Spain, June 2025 |
| November 2024 | 5913.2 µg/m³ | 499thof 2,624 | – |
| July 2025 | 5812.7 µg/m³ | 702ndof 2,889 | – |
| February 2025 | 5511.4 µg/m³ | 1,067thof 2,633 | – |
| September 2025 | 5511.3 µg/m³ | 527thof 3,104 | – |
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.
Lorca's worst days
| Day | US AQI | Episode |
|---|---|---|
| 20 Aug 2025 | 15561.5 µg/m³ | Spain, Portugal and Andorra, August 2025 |
| 21 Aug 2025 | 12143.5 µg/m³ | Spain, Portugal and Andorra, August 2025 |
| 27 Aug 2025 | 11641.7 µg/m³ | Northern Spain, August 2025 |
| 7 Apr 2024 | 11039.1 µg/m³ | Spain, April 2024 |
| 8 Apr 2024 | 10938.7 µg/m³ | Spain, April 2024 |
| 8 Sept 2025 | 10637.5 µg/m³ | – |
| 20 Mar 2025 | 10537.1 µg/m³ | Murcia and Valencia, Spain, March 2025 |
| 31 Oct 2024 | 10436.9 µg/m³ | Northern Spain, October 2024 |
| 22 Aug 2025 | 9532.7 µg/m³ | Spain, Portugal and Andorra, August 2025 |
| 28 Jul 2026 | 9432.3 µg/m³ | North-eastern Spain, July 2026 |
Daily means, the highest since 30 Dec 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, Lorca, Spain, 30 Dec 2023 – 6 Oct 2026. Monitor data from EEA, via OpenAQ and from the publisher directly; sources listed at smogrank.com/sources. smogrank.com/es/lorca/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.
Lorca 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).