SmogRank / Spain / Canary Islands / Santa Lucía
Santa Lucía, month by month
Santa Lucía, Canary Islands has a measured daily mean on 319 days since 30 January 2025. Its worst month was August 2025, at 72 US AQI (20.4 µg/m³), 195th of 2,901 cities on that month's world ranking. Its cleanest was March 2025, at 26 US AQI (4.7 µg/m³).
Every month since 2025
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
12 months
| Month | Why |
|---|---|
| Oct 2026 | 5 of 11 days measured; a month needs 8. The others: 2 with no readings from the monitor, 3 with readings for part of the day (a day needs 18 hours), 1 with readings left out by our checks. |
| Sep 2026 | 7 of 30 days measured; a month needs 21. The others: 23 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 | 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. |
| 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. |
| Feb 2025 | 17 of 28 days measured; a month needs 20. The others: 11 with under 18 hours of readings or readings that failed our checks. |
| Jan 2025 | 1 of 31 days measured; a month needs 22. The others: 1 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.
Santa Lucía's worst months
| Month | US AQI | World rank | Episode |
|---|---|---|---|
| August 2025 | 7220.4 µg/m³ | 195thof 2,901 | – |
| September 2025 | 6918.9 µg/m³ | 239thof 3,104 | Canary Islands, Spain, September 2025 |
| July 2025 | 6315.4 µg/m³ | 377thof 2,889 | – |
| January 2026 | 5511.3 µg/m³ | 968thof 2,617 | – |
| November 2025 | 529.6 µg/m³ | 1,120thof 2,715 | Canary Islands, Spain, November 2025 |
| December 2025 | 498.9 µg/m³ | 1,589thof 3,006 | – |
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.
Santa Lucía's worst days
| Day | US AQI | Episode |
|---|---|---|
| 7 Sept 2025 | 192114.0 µg/m³ | – |
| 15 Aug 2025 | 16880.1 µg/m³ | – |
| 17 Sept 2025 | 16270.7 µg/m³ | Canary Islands, Spain, September 2025 |
| 8 Sept 2025 | 16170.3 µg/m³ | – |
| 6 Sept 2025 | 15764.0 µg/m³ | – |
| 17 Aug 2025 | 15359.0 µg/m³ | – |
| 16 Jul 2025 | 14151.7 µg/m³ | – |
| 11 Aug 2025 | 12645.5 µg/m³ | – |
| 24 Nov 2025 | 12344.5 µg/m³ | Canary Islands, Spain, November 2025 |
| 17 Jul 2025 | 12143.8 µg/m³ | – |
Daily means, the highest since 30 Jan 2025; 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, Santa Lucía, Canary Islands, Spain, 30 Jan 2025 – 9 Oct 2026. Monitor data from EEA, via OpenAQ and from the publisher directly; sources listed at smogrank.com/sources. smogrank.com/es/santa-lucia/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.
Santa Lucía now: the last 24 hours, its ranks today and the last 12 months day by day.
Updated 2026-10-12 18:07 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).