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Worst cities for allergies in the UK: Live pollen count rankings

Seasonal allergies affect millions in the UK, and some cities are worse than others. Our real-time analysis, based on NAB guidelines, tracks tree, weed, and grass pollen levels to identify the most challenging places for allergy sufferers. Check the latest rankings to stay prepared and manage your allergies effectively.

Current pollen rankings: Worst allergy cities in the UK

Last updated - (Local time)

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RankCityPollen Risk LevelTree PollenGrass PollenWeed Pollen

Understanding pollen levels and health impact in the UK

The following table shows the risk level for each type of pollen derived by applying universal guidelines to our data and taking percentile values from the extended season for each type of pollen.


Here's a breakdown of the color schemes we use for our heatmaps and risk levels.

Color SchemeRisk LevelTree (ppm)Weed (ppm)Grass (ppm)

Green

Low0 - 950 - 200 - 29

Yellow

Moderate96 - 20721 - 7730 - 60

Orange

High208 - 70378 - 26661 - 341

Red

Very high704+267+342+

Pollen counts aren't just numbers – they directly affect breathing, comfort, and daily activities for millions of Americans. In cities with the worst allergies, residents often experience:

Persistent sneezing and nasal congestion
Itchy or watery eyes
Difficulty breathing or wheezing
Decreased sleep quality
Reduced ability to enjoy outdoor activities

How accurate is our UK pollen data?

Ambee’s pollen data follows National Allergy Bureau (NAB) guidelines, offering accurate, near real-time updates with clear allergy risk levels. Our proprietary model uses phenology, NDVI, seasonality, weather, wind dispersion patterns, and historical trends to ensure precise, hyper-local pollen forecasts.

Tips for managing allergies in high-pollen cities UK cities

Monitor pollen counts

Use Ambee’s real-time pollen count data to track levels in your area.

Utilize Ambee’s pollen API

Access hyperlocal pollen data for businesses or developers.

Use air purifiers

Invest in HEPA filters to reduce indoor allergens.

Maintain indoor air quality

Keep windows closed and clean regularly.

Manage outdoor exposure

Wear masks and shower after being outdoors.

Consult healthcare providers

Discuss medications and allergy testing.

Lifestyle adjustments

Stay hydrated and opt for indoor workouts on high-pollen days.

Why are cities like London and Birmingham allergy hotspots?

Cities like London and Birmingham are among the worst in the UK for allergy sufferers due to a combination of factors:

Urban pollution

High levels of air pollution in cities can exacerbate pollen allergies by irritating the respiratory system.

Grass pollen

The UK's temperate climate is ideal for grasses like ryegrass, which are major allergy triggers.

Birch trees

Birch pollen is a significant allergen in the UK, particularly in urban areas where these trees are commonly planted.

Weather patterns

The UK's unpredictable weather, including rain and wind, can cause pollen levels to fluctuate dramatically.

If you live in or near a major UK city, staying informed about pollen counts and taking preventive measures is essential.

The impact of birch pollen in the UK

Birch pollen is one of the most common allergens in the UK, particularly during the spring. Here’s why birch pollen is such a problem:

High allergenicity

Birch pollen is highly allergenic, meaning even small amounts can trigger severe symptoms.

Widespread distribution

Birch trees are commonly found in parks, gardens, and urban areas across the UK.

Cross-reactivity

Birch pollen can cause cross-reactions with certain foods, such as apples, cherries, and almonds, leading to oral allergy syndrome.

Seasonal peaks

Birch pollen levels typically peak in April and May, making spring a challenging time for allergy sufferers.

To manage birch pollen allergies, monitor pollen forecasts, avoid outdoor activities during peak times, and consider using antihistamines or nasal sprays.

Guide to pollen and allergies across the US and UK

Whether you're battling high pollen counts or seeking relief in low-allergy cities, we’ve got you covered. Explore our detailed guides to stay informed and manage your allergies better.

Frequently asked questions

How often is Ambee pollen data updated for the UK?

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Ambee pollen data is updated every hour, providing real-time insights into pollen levels across the United Kingdom.


What time of year is pollen count highest in the UK?

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Pollen counts peak in early spring (tree pollen: March to May, especially birch), late spring and summer (grass pollen: May to July), and summer to early fall (weed pollen: June to September).


Which types of pollen cause the worst allergies in the UK?

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The most common allergens are tree pollen (birch), grass pollen (ryegrass, timothy grass), and weed pollen (nettle, dock).


Why are UK cities like London and Birmingham allergy hotspots?

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These cities have high pollen counts due to urban pollution, grass pollen, the prevalence of birch trees, and unpredictable weather patterns.


What makes a city bad for allergies in the UK?

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Cities rank poorly for allergies due to high pollen counts, urban pollution, and the presence of allergenic vegetation like birch trees and ryegrass.


Are coastal areas better for allergy sufferers in the UK?

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Yes, coastal areas like Aberdeen and Cardiff often have lower pollen counts due to cooler temperatures and sea breezes, making them better for allergy sufferers.


How does birch pollen affect allergies in the UK?

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Birch pollen is a major allergen in the UK, particularly in spring, causing severe symptoms like sneezing, itchy eyes, and even cross-reactions with certain foods.


Can weather conditions affect pollen counts in the UK?

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Yes, rain can temporarily lower pollen levels, windy days increase pollen dispersal, and the UK’s unpredictable weather can cause rapid changes in pollen counts.


What are the best UK cities for allergy sufferers?

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Cities like Aberdeen, Edinburgh, and Cardiff tend to have lower pollen counts due to their climate and coastal locations.


How do I know which pollen is affecting me?

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Allergy testing, such as skin prick tests or blood tests, can help identify specific allergens, and tracking local pollen counts can provide additional clues.


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