High surface PM10 from #calima dust storm predicted across Bay of Biscay & Iberian peninsula in #Copernicus Atmosphere Monitoring Service regional ensemble forecast https://t.co/3ihnC6QSG8. Porto, Lisbon & Madrid PM10 (blue bars) may exceed 50µg/m3 over next two days #airquality pic.twitter.com/fpqZyuEFes

— Mark Parrington (@m_parrington) February 27, 2020