ClimavisoWhere in Spain are dust (calima) warnings most frequent?
AEMET data up to 26 October 2026. Averages for 2019–2025. Updated 26 October 2026.
Short answer
In the Fuerteventura zone: 8.6 dust-warning days a year on average from 2019 to 2025, against 0.5 in an average Spanish zone. 167 of the 180 zones had none.
| Zone | Province | Dust warning days a year | |
|---|---|---|---|
| 1 | Fuerteventura | Fuerteventura | 8.6 |
| 2 | Este, sur y oeste de Gran Canaria | Gran Canaria | 8.0 |
| 3 | Lanzarote | Lanzarote | 8.0 |
| 4 | Cumbres de Gran Canaria | Gran Canaria | 7.9 |
| 5 | Este, sur y oeste de Tenerife | Tenerife | 7.0 |
| 6 | Norte de Gran Canaria | Gran Canaria | 6.6 |
| 7 | Área metropolitana de Tenerife | Tenerife | 5.7 |
| 8 | La Gomera | La Gomera | 5.6 |
| 9 | El Hierro | El Hierro | 5.3 |
| 10 | Norte de Tenerife | Tenerife | 5.0 |
| 11 | Cumbres de La Palma | La Palma | 4.7 |
| 12 | Este de La Palma | La Palma | 4.7 |
| 13 | Oeste de La Palma | La Palma | 4.6 |
| 14 | A Mariña | Lugo | 0.0 |
| 15 | Albarracín y Jiloca | Teruel | 0.0 |
| 16 | Alcaraz y Segura | Albacete | 0.0 |
| 17 | Alcarria conquense | Cuenca | 0.0 |
| 18 | Alcarria de Guadalajara | Guadalajara | 0.0 |
| 19 | Altiplano de Murcia | Murcia | 0.0 |
| 20 | Ampurdán | Girona | 0.0 |
How it is counted
A warning day is a day on which AEMET had at least one yellow, orange or red warning in the zone; it counts once, at its highest level. Spain has 182 warning zones and every town gets the warnings of its own. Averages use the complete years 2019–2025; provinces and regions are the average of their zones. A warning is a forecast that a threshold will be crossed, not damage, and each zone has its own thresholds: these figures measure how often AEMET warns, not the climate or the risk to a building.
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How to cite
Climaviso (https://climaviso.com/en/questions/where-are-dust-warnings-most-frequent-in-spain/), from AEMET warning data. Authorised use of the information and its reproduction citing AEMET as its author.