Pollen Forecast

Forecast Issued: 01-05-26

Pollen Type: Tree pollen season has started. Pollen from Ash, Alder and Cypress are present.

Region	Friday	Saturday	Sunday
	01-05-26	02-05-26	03-05-26
Leinster	H	H	H
Munster	H	H	H
Connacht	H	H	H
Ulster	H	H	H

L = Low
M = Moderate
H = High
VH = Very high
N/A = Not available

General Comments:

Tree pollen season has started. Mainly Birch but also Ash, Alder and Cypress.

Tree Comments:

Mainly Birch with Ash, Alder and Cypress also present.

Grass Comments:

Rising concentrations for grass pollen have been observed.

Weed Comments:

Low nettle and weed pollen levels expected.

Spore Comments:

Medium levels expected for fungal spores, especially Aspergillus on dry days

© Dr. David O’Connor, School of Chemical Sciences, DCU

This pollen forecast is copyright protected. Reproduction of this on other websites or electronic media by any means whatever is prohibited. © Dr. David O’Connor, School of Chemical Sciences, DCU.

Pollen Forecast Explained

Shown below is a calendar depicting the general seasonal trends and allergenicity of the ten most prevalent pollen types for Dublin.