
Kontrollera pollennivåerna i ditt område
Real-time UK pollen forecasts to help you stay one step ahead of hay fever.
Författad av Thomas Andrew Porteus, MBCSUrsprungligen publicerad 26 Feb 2026
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If you get hay fever, you probably don’t need reminding when pollen levels are high. You can feel it. The scratchy throat on the morning commute. The streaming eyes halfway through a meeting. The sudden need to check whether you packed antihistamines before leaving the house.
Pollen levels shift quickly. They change with the weather, the season and where you are in the country. A warm, dry, breezy day in one region can mean something very different in another. That’s why we’ve created the Patient.info pollen map – to give you a clearer picture of what’s happening where you live.
Why local matters
Headlines often talk about “high pollen” across the UK, but hay fever isn’t that simple. Tree pollen tends to peak in early spring. Grass pollen is usually the main culprit in late spring and early summer. Weed pollen becomes more common later in the season. On top of that, rainfall, wind and temperature all play a part in how much pollen is actually in the air.
If you’re planning a run, a school sports day, a picnic or even just opening the windows, it helps to know what the levels are locally rather than nationally.
What you’ll see on the map
The map shows current pollen levels across different parts of the UK, graded from low to very high. It’s designed to be quick to check and easy to understand. You can see:
What the level is in your area
How it compares to surrounding regions
Whether conditions are likely to be manageable or more challenging
It’s not about causing alarm. It’s about helping you plan.
Using pollen information in real life
For some people, checking pollen levels becomes part of their daily routine during spring and summer – a bit like checking the weather. If levels are high or very high, you might choose to:
Take antihistaminer earlier in the day
Avoid drying clothes outside
Keep car windows closed on longer journeys
Shower and change after spending time outdoors
Time outdoor exercise for after rain, when pollen can be temporarily lower
Small adjustments can make a noticeable difference.
If symptoms are hard to control
Most hay fever can be managed with treatments from a pharmacy, such as antihistamines, steroid nasal sprays or eye drops. But if symptoms are persistent, affecting sleep, or triggering asthma, it’s worth speaking to a pharmacist or GP for advice.
Keeping an eye on pollen levels won’t prevent hay fever, but it can help you understand patterns and feel a bit more prepared.
Vanliga frågor
What are pollen levels?
Pollen levels refer to the amount of pollen in the air at a given time. They are usually graded from low to very high. The higher the level, the more likely people with hay fever are to develop symptoms such as sneezing, itchy eyes and a blocked or runny nose.
Why do pollen levels vary across the UK?
Pollen levels are influenced by local plants, weather conditions and geography. Rain can temporarily lower pollen levels by washing pollen out of the air. Warm, dry and windy conditions tend to increase the spread of pollen.
When is hay fever season?
Hay fever season in the UK usually runs from March to September. However, the exact timing depends on which type of pollen you are sensitive to.
How can checking local pollen levels help?
Checking local pollen levels can help you plan your day. It can also help you understand patterns in your symptoms. For example, you may notice that your hay fever worsens on warm, windy days when pollen is more easily spread.
Can pollen levels trigger asthma?
Yes. For some people, high pollen levels can worsen asthma symptoms. This is sometimes called “hay fever asthma” or allergic asthma.
If you have asthma and notice that your symptoms worsen during high pollen days, it’s important to ensure your inhalers are used as prescribed and to seek medical advice if control is poor.
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Vanliga frågor
What are pollen levels?
Pollen levels refer to the amount of pollen in the air at a given time. They are usually graded from low to very high. Higher levels mean people with hay fever are more likely to experience symptoms like sneezing, itchy eyes, or a blocked/runny nose.
Why do pollen levels vary across the UK?
Pollen levels differ across the UK due to local plant types, varied weather conditions, and geography. Rain can temporarily clear pollen from the air, while warm, dry, and windy weather typically leads to more widespread pollen.
When is hay fever season?
Hay fever season in the UK generally runs from March to September. The precise timing can vary depending on the specific type of pollen an individual is sensitive to.
How can checking local pollen levels help?
Checking local pollen levels can assist in planning your day and understanding patterns in your hay fever symptoms. For instance, you might observe that your hay fever is worse on warm, windy days when pollen spreads more easily.
Can pollen levels trigger asthma?
Yes, for some individuals, high pollen levels can exacerbate asthma symptoms, a condition sometimes referred to as “hay fever asthma” or allergic asthma. If you have asthma and notice worsening symptoms on high pollen days, ensure you use your inhalers as prescribed and seek medical advice if your asthma control is poor.
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Thomas Andrew Porteus, MBCS
Hälsoteknik
MBCS
Thomas skriver för att informera, inspirera och utrusta praktikledare och vårdpersonal som navigerar förändringar, med utgångspunkt i två decennier av praktiskt arbete inom det brittiska hälsosystemet.
Artikelhistorik
Informationen på denna sida är granskad av kvalificerade kliniker.
Artikeln finns också på Engelska, Tyska, Spanska, Franska, Italienska, Portugisiska, Hindi, Hebreiska, Arabiska, och Svenska.
26 Feb 2026 | Ursprungligen publicerad
Författad av:
Thomas Andrew Porteus, MBCS

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