We use some essential cookies to make this website work.
We’d like to set additional cookies to understand how you use GOV.UK, remember your settings and improve government services.
We also use cookies set by other sites to help us deliver content from their services.
You have accepted additional cookies. You can change your cookie settings at any time.
You have rejected additional cookies. You can change your cookie settings at any time.
Departments, agencies and public bodies
News stories, speeches, letters and notices
Detailed guidance, regulations and rules
Reports, analysis and official statistics
Consultations and strategy
Data, Freedom of Information releases and corporate reports
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.
This page contains information for coping with illness caused by airborne allergens like hay fever, asthma and allergies.
The characteristics, symptoms, diagnosis and treatment of alpha-gal syndrome.
Hay fever is a very common allergy caused by pollen, house dust mite, pet hair or skin.
There is evidence that air pollutants such as ozone, nitrogen dioxide and sulphur dioxide can exacerbate respiratory conditions.
Airborne allergens are particles in the air, including fungal spores and pollutants, that can cause or worsen allergic reactions and respiratory conditions such as hay fever and asthma.
Food and drink labelling and packaging regulations - what you must show, warnings, health and organic labels and packaging standards.
Quality and labelling rules for growing, packing, distributing, importing and selling fresh fruit and vegetables.
Asthma is a long-term condition and it is thought that symptoms can be worsened by exposure to viruses, allergens and air pollution.
Don’t include personal or financial information like your National Insurance number or credit card details.
To help us improve GOV.UK, we’d like to know more about your visit today. Please fill in this survey (opens in a new tab and requires JavaScript).