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Annual data report · Canary Islands

Calima Season 2025–2026 — Canary Islands

Documented Saharan dust episodes affecting the eight Canary Islands during the 2025–2026 season, with multi-year context from 2020.

Last updated · May 24, 2026 · Season: Nov 1, 2025 – Oct 31, 2026

Season at a glance
  • Episodes12
  • Total days42
  • Peak severityExtreme
  • Peak PM10710 µg/m³

Latest episode ongoing — data will be updated.

Data and charts may be reproduced with attribution to Calima Canarias (calimacanarias.com). CC BY 4.0

Season episodes
Documented calima episodes for the 2025–2026 season. Episode detection: daily max PM10 ≥ 50 µg/m³ on ≥ 2 islands; gap of ≥ 2 clear days breaks an episode.
StartEndIslandsSeverityPeak PM10Duration
Nov 23, 2025Nov 25, 2025All 8 islandsExtreme318 µg/m³3 days
Dec 6, 2025Dec 10, 2025All 8 islandsSevere143 µg/m³5 days
Jan 8, 2026Jan 9, 2026Fuerteventura, Gran Canaria, LanzaroteModerate75 µg/m³2 days
Jan 12, 2026Jan 13, 2026Fuerteventura, La Graciosa, LanzaroteSevere102 µg/m³2 days
Feb 16, 2026Feb 18, 2026El Hierro, Fuerteventura, Gran Canaria, La Gomera, La Palma, Lanzarote, TenerifeExtreme605 µg/m³3 days
Feb 22, 2026Feb 27, 2026All 8 islandsExtreme379 µg/m³6 days
Mar 4, 2026Mar 5, 2026All 8 islandsSevere166 µg/m³2 days
Mar 12, 2026Mar 13, 2026All 8 islandsSevere188 µg/m³2 days
Mar 23, 2026Mar 25, 2026Fuerteventura, Gran Canaria, La Gomera, La Graciosa, La Palma, Lanzarote, TenerifeSevere165 µg/m³3 days
Mar 31, 2026Apr 2, 2026All 8 islandsExtreme710 µg/m³3 days
Apr 17, 2026Apr 22, 2026All 8 islandsExtreme353 µg/m³6 days
May 20, 2026ongoingAll 8 islandsModerate70 µg/m³5 days
Multi-year context
Total event-days and peak severity by documented calima season since 2019–20.

Total days

2019–203d2020–21—2021–225d2022–234d2023–249d2024–255d2025–2642d
SeasonEpisodesPeak severityTotal daysNotes
2019–201Extreme3Feb 2020 Supercalima. All 8 Canary airports closed. PM10 >2,000 µg/m³.
2020–210None—No major calima episodes documented.
2021–222Severe5Jan 2022 (moderate) + Storm Celia Mar 2022 (severe, mainland orange skies).
2022–232Moderate4Dec 2022 + Mar 2023.
2023–243Moderate9Dec 2023 (×2) + Mar–Apr 2024.
2024–252Moderate5Nov 2024 + Dec 2024.
2025–2612Extreme42Season in progress. Data from Open-Meteo CAMS archive.
Data sources & methodology

An episode is a run of days when at least two Canary islands record a daily peak PM10 ≥ 50 µg/m³ from Open-Meteo CAMS, with no more than one clear day between calima days. Peak PM10 is the maximum hourly value across all eight islands during the episode window. Severity follows the project-wide thresholds: light ≥ 25, moderate ≥ 50, severe ≥ 100, extreme ≥ 200 µg/m³.

This report covers only the eight Canary Islands. Mainland Spain has its own atmospheric calima profile and is not included here.

Full methodologyData sourcesAlgorithm validation
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Inline / news

Calima Canarias (https://calimacanarias.com/calima-season-2025-2026). Calima Season 2025–2026 — Canary Islands data report. Accessed May 24, 2026.

Press / academic

Calima Canarias (2026). Calima Season 2025–2026: Canary Islands Annual Dust Report. Retrieved from https://calimacanarias.com/calima-season-2025-2026

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