Seasonal pattern of Alternaria airborne spores in Santiago de Chile, Chile (2005–2015 period): first Alternaria spore calendar
Aerobiologia(2022)
Abstract
Since Alternaria is an important aeroallergen in temperate areas of the world, this study was undertaken in order to provide the first results obtained about the seasonal regimen of Alternaria airborne spores in the atmosphere of Santiago de Chile (Chile), for a period of 10 years (2005–2015), which has led to the construction of the first calendar for the city. Furthermore, the periods of maximum presence of these particles in the air were determined together with those days in which the threshold levels set up for the development of clinical symptoms were reached and/or surpassed. The annual spore integral varied between 4077 spores/m 3 registered in 2013–2014 and 6824 spores/m 3 in 2010–2011, with a main spore season from mid-winter (mid-July/mid-August) to the end of the autumn (June). Daily peaks were mainly detected in spring or autumn seasons but even in winter, although without surpassing 65 spores/m 3 in any case.
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Key words
Alternaria, Spore calendar, Fungal spores, Santiago de Chile
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