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 2021 grass and weed season has come to an end. Reporting will start up again next January when the tree pollen season begins.


Updated: 29/09/2021

Grass pollen

The grass season has now come to an end, counts wil start up again May 2022. 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: 08/09/2021

Recent fungal spore levels

Fungal spore counting is ongoing. Spore counts have been at low to moderate levels during the last week. Alternaria and Cladosporium remain below allergenic levels.


Updated: 23/11/2021


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




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