Keywords
allergens
periods of allergy
Amaranthaceae
How to Cite
Abstract
This work presents a first approximation to knowing the atmospheric pollen spectrum and the concentration of the Sal k 1 allergen in Alcazar de San Juan (Ciudad Real, Spain) based on the results obtained in the year 2016. The concentration of allergen, the main pollen types present in the air, their principal periods of pollination and the relationship between daily pollen concentrations and meteorological variables have been determined.
The results highlight the presence of 19 pollen types, the predominant ones being Amaranthaceae, Cupressaceae, Pinus, Plantago, Platanus, Poaceae, Quercus y Olea, whose concentrations amount to 96.6 % of total pollen. Most of these pollen types have a pollination period from March to June except Amaranthaceae and Cupressaceae. Olea pollen has the highest Annual Pollen Integral (9,152 pollen/m3 and year), with a daily peak value of 902 pollen grain/m3 (reached in June). The study of the relationship between daily pollen concentrations and meteorological variables reveals a positive and significant correlation with temperature and a negative correlation with precipitation and humidity.
The presence of the Sal k 1 allergen in the atmosphere has been detected from June to September, with a significant and positive correlation of the allergen with the Amaranthaceae pollen type.
Three periods of allergy risk have been established: the first one, during autumn and winter, due to the Cupressaceae pollen type; the second one in spring, owing to the Platanus, Olea, and Poaceae pollen types; and the third one in late summer, as a result of the Amaranthaceae pollen type.
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