Meteorologia

  • 18 OCTOBER 2024
Tempo
18º
MIN 16º MÁX 22º

Lisbon, Setúbal, Beira Interior, Alentejo and Algarve with high pollen

The regions of Lisbon and Setúbal will have a week of high pollen concentration in the atmosphere starting on Friday, as well as in Beira Interior, Alentejo and Algarve, the Portuguese Society of Allergology reported today.

Lisbon, Setúbal, Beira Interior, Alentejo and Algarve with high pollen
Notícias ao Minuto

20:46 - 16/05/24 por Lusa

País Pólen

According to the forecast released today by the Portuguese Society of Allergology and Clinical Immunology (SPAIC), the rest of the country will be, between May 17 and 23, in a low to moderate situation of pollen in the atmosphere.
Unlike Lisbon, Setúbal, Beira Interior, Alentejo and Algarve, in the regions of Trás-Os-Montes, Alto Douro, Entre Douro, Minho and Beira Litoral, the pollen concentration should remain low to moderate during the weekend, due to the effect of "washing the atmosphere", caused by the precipitation, which is expected to occur in these regions.

SPAIC adds that the pollen concentration will rise again throughout the week, with the improvement of weather conditions, recommending the population to be aware of the weather forecast, to complement the pollen forecast.

In the atmosphere of the continent, the pollen grains from olive, pine, cork oak and oak trees and from grass herbs, plantain, nettle, sorrel and urticaceae (including pellitory) stand out.

Particularly, in the regions of Algarve, Alentejo, Lisbon and Setúbal and also in the Madeira Archipelago, the pollination of chenopodium is observed. Meanwhile, in the northern and central regions of the country, birch pollination occurs.

In the autonomous regions of Madeira and the Azores, the pollen concentration in the atmosphere is low, with the pollen mainly coming from pine and cypress trees (and/or cryptomeria in the Azores) and from urticaceae herbs (including pellitory), nettle, plantain and grasses.

Read Also: Pollen concentration next week implies risk for allergy sufferers (Portuguese version)

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