SmogRank / Spain / Valencia / Elda
Elda, month by month
Elda has a measured daily mean on 953 days since 1 January 2023. Its worst month was November 2024, at 52 US AQI (9.8 µg/m³), 890th of 2,624 cities on that month's world ranking. Its cleanest was May 2024, at 13 US AQI (2.4 µg/m³). 2025 averaged 33 US AQI (6.0 µg/m³), against 31 US AQI (5.6 µg/m³) in 2023.
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
15 months
| Month | Why |
|---|---|
| Oct 2026 | 7 of 11 days measured; a month needs 8. The others: 1 with no readings from the monitor, 3 with readings for part of the day (a day needs 18 hours). |
| Aug 2026 | No day measured. The others: 31 with under 18 hours of readings or readings that failed our checks. |
| Jul 2026 | No day measured. The others: 31 with under 18 hours of readings or readings that failed our checks. |
| Jun 2026 | No day measured. The others: 30 with under 18 hours of readings or readings that failed our checks. |
| May 2026 | 1 of 31 days measured; a month needs 22. The others: 30 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 | 6 of 28 days measured; a month needs 20. The others: 22 with under 18 hours of readings or readings that failed our checks. |
| Jun 2025 | 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 | 15 of 31 days measured; a month needs 22. The others: 16 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 | 6 of 31 days measured; a month needs 22. The others: 25 with under 18 hours of readings or readings that failed our checks. |
| Jul 2024 | 13 of 31 days measured; a month needs 22. The others: 18 with under 18 hours of readings or readings that failed our checks. |
| Mar 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. |
| Aug 2023 | 21 of 31 days measured; a month needs 22. The others: 10 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.
Elda's worst months
| Month | US AQI | World rank | Episode |
|---|---|---|---|
| November 2024 | 529.8 µg/m³ | 890thof 2,624 | – |
| December 2025 | 529.5 µg/m³ | 1,458thof 3,006 | – |
| July 2023 | 519.2 µg/m³ | 736thof 1,432 | – |
| February 2023 | 488.7 µg/m³ | 758thof 1,129 | – |
| February 2025 | 478.4 µg/m³ | 1,477thof 2,633 | – |
| November 2025 | 437.8 µg/m³ | 1,601stof 2,715 | North-eastern Spain and Andorra, November 2025 |
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.
Elda's worst days
| Day | US AQI | Episode |
|---|---|---|
| 14 Nov 2025 | 15764.6 µg/m³ | North-eastern Spain and Andorra, November 2025 |
| 4 Sept 2023 | 10537.2 µg/m³ | North-eastern Spain and France, September 2023 |
| 13 Nov 2025 | 8225.5 µg/m³ | – |
| 25 Nov 2024 | 8024.6 µg/m³ | – |
| 13 Jul 2023 | 7823.8 µg/m³ | – |
| 12 Jul 2023 | 7823.4 µg/m³ | – |
| 3 Jan 2026 | 7723.1 µg/m³ | – |
| 23 Feb 2023 | 7723.0 µg/m³ | – |
| 21 Jan 2025 | 7521.9 µg/m³ | – |
| 11 Dec 2025 | 7521.9 µg/m³ | – |
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, Elda, Spain, 1 Jan 2023 – 9 Oct 2026. Monitor data from EEA, via OpenAQ and from the publisher directly; sources listed at smogrank.com/sources. smogrank.com/es/elda/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.
Elda 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).