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Outdoor airborne allergens are tiny particles in the air that can cause allergic reactions when people who suffer from hay fever or asthma breathe them in. The primary outdoor allergens include pollen and fungal spores.
Find out what Natural England is doing to improve enjoyment and benefit of the outdoors to a diverse range of visitors.
A comprehensive overview of actions that national and local government and others can take to improve air quality and health.
Guidance for manufacturers, authorised representatives, and responsible persons.
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