Overview

• Murcia’s monitoring stations recorded a sharp deterioration on Wednesday morning, with Lorca at 128.85 μg/m3 PM10 and 37.34 μg/m3 PM2.5 and Jumilla at 110.39 μg/m3 PM10 and 33.05 μg/m3 PM2.5.
• Only the Alumbres and Valle de Escombreras stations in Cartagena reported “good” air quality, while Mompeán was “regular” and La Aljorra was “unfavorable.”
• In metropolitan Murcia, PM10 ranged from 55.60 to 67.69 μg/m3 with PM2.5 at 21.62 to 24.45 μg/m3, and Caravaca’s readings worsened to “very unfavorable” by 9 a.m. with 101.26 μg/m3 PM10 and 31.52 μg/m3 PM2.5.
• The latest figures exceed World Health Organization guidance of 50 μg/m3 for PM10 and 15 μg/m3 for PM2.5, following Tuesday’s already elevated readings in Lorca and the Campo de Cartagena.
• Castilla y León maintains a predictive alert for the southeastern part of the region, citing models that flag possible 24‑hour PM10 averages above 50, and authorities stress this is a natural event that warrants exposure‑reducing precautions.