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Tuesday, 28 March 2017
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Latest Pollen Information


Forecast Date 12/08/2016
1. Leinster
2. Munster
3. Connacht
4. Ulster

L = Low
M = Moderate
H = High
VH = Very high

General Comments:
The grass pollen risk will be low but weeds will be moderate to high in lowland areas and fungal spores will be high during warm and humid conditions.
Tree Comments:
The tree pollen season has finished and the risk is now over.
Grass Comments:
The grass pollen season is now in terminal decline and only a low risk is expected.
Weed Comments:
Allergenic weeds are pollinating, including nettle, pellitory, fat hen and mugwort. These trigger symptoms in around 20% of hay fever sufferers and are mainly a problem in lowland parts.
Spore Comments:
Fungal spores are now at high to very high risk, including Cladosporium and Alternaria. Those types that require high humidity will be high at times: Didymella, Sporobolomyces and Tilletiopsis. The last three types are most prevalent during warm, humid nights. Spores affect around 10% of allergic people.

© National Pollen and Aerobiology Research Unit
Forecast updated at around 11:15 AM daily

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