PEPA

Knowledge Centre

Plain-English background on pollen, weather and allergies.

Calm, useful reading — no jargon and no scare stories. We're building this out over time; articles marked Coming soon are planned. This is general information, not medical advice.

Pollen forecast

What the pollen count actually means, how it's measured, and how to read your local picture.

General hay fever

Everyday questions about hay fever — symptoms, triggers and plain-English answers.

Grass pollen

The most common summer trigger — what it is, when it peaks, and how it can affect you.

Coming soon

What is grass pollen, and why does it affect so many people?

A plain introduction to grass pollen — the UK's most common summer trigger.

Coming soon

When is the grass pollen season in the UK?

Roughly when grass pollen rises and falls through the year.

Tree pollen

Spring tree pollens like birch, and why they can matter in your local area.

Coming soon

Birch and other tree pollens explained

A gentle overview of spring tree pollens and where they come from.

Weather and allergies

How wind, rain, humidity and dry spells can change how pollen behaves.

Coming soon

Does rain help hay fever?

Why rain, wind and dry weather can change how pollen behaves.

Children and hay fever

Plain, practical background for parents. Always speak to a pharmacist or GP about your child's health.

Coming soon

Hay fever in children: a plain-English overview

Background for parents. This is general information, not medical advice.

Exercise and allergies

Thinking about when and where to be active on higher-pollen days.

Coming soon

Thinking about exercise on higher-pollen days

Timing and location ideas for staying active when pollen is high.

Sleep and symptoms

How symptoms and everyday routines can affect rest, and small things that may help.

Coming soon

Allergies, symptoms and a good night's sleep

How everyday routines around symptoms can affect rest.

Symptom diary

Why a simple daily note of how you feel helps you spot your own patterns.

Coming soon

How a simple symptom diary helps you understand yourself

Why logging how you feel reveals your own personal patterns.

Home environment

The surroundings around your home — parks, grassland, trees — and why they matter.

Coming soon

Why the environment around your home matters

Parks, grassland and trees near you can shape your local exposure.