Pollen and fungal spore levels in the East Midlands

Prepared for MAARA by the University of Leicester's Aerobiology group New UoL logo Sept 2015 cropped

This page is dedicated to reporting the pollen and fungal spore levels in the East Midlands, paying particular mention to those known to be allergenic. This page will be updated regularly in the peak season (June/August) and as and when necessary outside these months.

The information provided is for the interest of, and use by, the general public only.

Recent pollen levels

All pollen

The pollen season has ended for 2020, reporting will resume early next year when pollen levels begin to rise. 


Updated: 06/10/2020

Grass pollen

Daily reporting for grass pollen has finished for this season and will start again May 2021. Counts represent the average number of grass pollen grains per cubic metre of air for the period covering 9am on the date shown to 9am the following day. Counts are converted to a classification according to the table further down this page. 


Updated: 15/09/2020

Recent fungal spore levels

The 2020 fungal spore season is ongoing and we are monitoring airborne fungal spores regularly. Counts in the last week have been high. Of the two well-known allergenic fungi, Alternaria and Cladosporium levels have fallen below allergenic threshold.


Updated: 27/10/2020


Key to Grass Pollen counts


Grass grains per cubic metre of air


0 – 29


30 – 49


50 – 149

Very High

150 - 499

Exceedingly High

> 500

Key to spore levels


Spores per cubic metre of air

Very Low < 1,000
Low 1,000 - 4,999
Moderate 5,000 - 19,999
High 20,000 - 50,000
Very High > 50,000




© 2013 MAARA Registered Charity No: 257131 Contact: PO Box 1057 Leicester LE2 3GZ. All rights reserved.

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