SmogRank / Spain / Canary Islands / Arrecife
Arrecife, month by month
Arrecife, Canary Islands has a measured daily mean on 999 days since 1 January 2023. Its worst month was February 2023, at 83 US AQI (26.5 µg/m³), 36th of 1,129 cities on that month's world ranking. Its cleanest was June 2024, at 24 US AQI (4.3 µg/m³). 2025 averaged 42 US AQI (7.6 µg/m³), against 56 US AQI (11.6 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
17 months
| Month | Why |
|---|---|
| Oct 2026 | 6 of 11 days measured; a month needs 8. The others: 1 with no readings from the monitors, 4 with readings for part of the day (a day needs 18 hours). |
| Jul 2026 | 20 of 31 days measured; a month needs 22. The others: 11 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. |
| Nov 2025 | 20 of 30 days measured; a month needs 21. The others: 10 with under 18 hours of readings or readings that failed our checks. |
| Jun 2025 | 20 of 30 days measured; a month needs 21. The others: 10 with under 18 hours of readings or readings that failed our checks. |
| Jan 2025 | 19 of 31 days measured; a month needs 22. The others: 12 with under 18 hours of readings or readings that failed our checks. |
| Nov 2024 | 17 of 30 days measured; a month needs 21. The others: 13 with under 18 hours of readings or readings that failed our checks. |
| Oct 2024 | 8 of 31 days measured; a month needs 22. The others: 23 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 | 13 of 31 days measured; a month needs 22. The others: 18 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.
Arrecife's worst months
| Month | US AQI | World rank | Episode |
|---|---|---|---|
| February 2023 | 8326.5 µg/m³ | 36thof 1,129 | Canary Islands, Spain, 20 to 22 February 2023 Canary Islands, Spain, 12 to 15 February 2023 |
| December 2023 | 6114.6 µg/m³ | 295thof 2,247 | Canary Islands, Spain, 16 to 17 December 2023 Canary Islands, Spain, 11 to 13 December 2023 |
| August 2025 | 6014.0 µg/m³ | 437thof 2,901 | – |
| September 2026 | 6013.7 µg/m³ | 422ndof 2,981 | – |
| April 2023 | 5913.4 µg/m³ | 200thof 1,622 | Canary Islands, Spain, April 2023 |
| January 2024 | 5812.9 µg/m³ | 610thof 2,385 | – |
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.
Arrecife's worst days
| Day | US AQI | Episode |
|---|---|---|
| 12 Feb 2023 | 219143.4 µg/m³ | Canary Islands, Spain, 12 to 15 February 2023 |
| 13 Feb 2023 | 194117.3 µg/m³ | Canary Islands, Spain, 12 to 15 February 2023 |
| 11 Feb 2023 | 16270.6 µg/m³ | – |
| 16 Dec 2023 | 16170.4 µg/m³ | Canary Islands, Spain, 16 to 17 December 2023 |
| 14 Sept 2026 | 15459.5 µg/m³ | – |
| 10 Aug 2025 | 14051.3 µg/m³ | – |
| 1 Feb 2023 | 12946.9 µg/m³ | – |
| 13 Jan 2024 | 12846.6 µg/m³ | – |
| 17 Dec 2024 | 12846.5 µg/m³ | Canary Islands, Spain, December 2024 |
| 22 Jul 2025 | 12243.9 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, Arrecife, Canary Islands, Spain, 1 Jan 2023 – 8 Oct 2026. Monitor data from EEA, via OpenAQ and from the publisher directly; sources listed at smogrank.com/sources. smogrank.com/es/arrecife/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.
Arrecife 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).