The UK hay fever season runs from late March to mid-May for tree pollen, mid-May to July for grass pollen, and summer for weed pollen.

Hay fever season in the UK typically starts with tree pollen from late March to mid-May, affecting around 25% of people. Grass pollen, which causes the most allergies, has two peaks from mid-May to July. Weed pollen can be released at any time, but its season is usually during the summer months. Symptoms include a runny nose, itchy eyes, and sinusitis, which can be treated by pharmacists without seeing a GP.

March 17, 2024
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