Pollen count in Ballymena today
Part of County Antrim
Updated 06:03. The forecast updates every six hours.
Ballymena pollen forecast for today and the next two days
Thursday, 15 October
Quiet season
Pollen season is over for now in Ballymena. Tree pollen usually returns in February.
109 days until tree pollen season usually starts.
- Grass
- Low
- Tree
- Low
- Weed
- Low
Rain expected, 14°C high, Breezy
What to do today
- NowNothing to plan around outsidePollen stays very low until the tree season.
- IndoorsSneezing in winter?It is often dust mites or mould. Air rooms for ten minutes a day, dry clothes away from bedrooms and wash bedding hot each week.
- JanuaryGet ready earlyIf spring is hard for you, ask your pharmacist or GP in January about starting treatment before the season.
- Any timeGet a heads-upSign up for alerts and we'll email you when your pollen season starts.
Friday, 16 October
Quiet season
Pollen season is over for now in Ballymena. Tree pollen usually returns in February.
108 days until tree pollen season usually starts.
- Grass
- Low
- Tree
- Low
- Weed
- Low
Rain expected, 12°C high, Breezy
What to do tomorrow
- NowNothing to plan around outsidePollen stays very low until the tree season.
- IndoorsSneezing in winter?It is often dust mites or mould. Air rooms for ten minutes a day, dry clothes away from bedrooms and wash bedding hot each week.
- JanuaryGet ready earlyIf spring is hard for you, ask your pharmacist or GP in January about starting treatment before the season.
- Any timeGet a heads-upSign up for alerts and we'll email you when your pollen season starts.
Saturday, 17 October
Quiet season
Pollen season is over for now in Ballymena. Tree pollen usually returns in February.
107 days until tree pollen season usually starts.
- Grass
- Low
- Tree
- Low
- Weed
- Low
Dry, 11°C high, Light wind
What to do on Saturday
- NowNothing to plan around outsidePollen stays very low until the tree season.
- IndoorsSneezing in winter?It is often dust mites or mould. Air rooms for ten minutes a day, dry clothes away from bedrooms and wash bedding hot each week.
- JanuaryGet ready earlyIf spring is hard for you, ask your pharmacist or GP in January about starting treatment before the season.
- Any timeGet a heads-upSign up for alerts and we'll email you when your pollen season starts.
Your outings
Tell us when you're usually outside, like the school run or a lunchtime walk, and we'll check each one against the pollen. Saved on this device only.
Know someone with hay fever?
How Ballymena compares with the rest of Antrim
Ballymena usually follows the Antrim forecast closely, but some days differ, so it has its own forecast. In 2026 it had 19 High or Very high days, against 16 in the Antrim forecast.
Other towns in Antrim: Ballymoney, Belfast, Carrickfergus, Larne, Lisburn, Newtownabbey, Portrush
Breathing today
Pollen plus what else is in the air in Ballymena.
Asthma day
Good day
Clean air and little pollen.
Air quality
Fair
European index 27
Fine particles
Fair
PM2.5 up to 5 µg/m³
Ozone
Fair
Up to 74 µg/m³
UV
Low
No sun cream needed
Air quality and UV come from the same Copernicus forecast as the pollen levels. It is a forecast, not a measurement.
Your season in Ballymena
Pollen season is over for now. Tree pollen usually returns in February.
Past 30 days
See past forecastsWhen each pollen is in the air
- Tree: February to May, birch peaks in April.
- Grass: May to July, the main hay fever season.
- Weed: June to September.
Help in Ballymena
Allergy services near you
Not sure where to start? A pharmacist can suggest what might help. See your GP if symptoms are hard to manage.
Tip of the week
Lose Those Leaves
Fallen leaves can be a hotspot for mould growth. Regularly clear them from your garden and outdoor spaces to reduce mould spore proliferation.
Questions about pollen in Ballymena
Is pollen in Ballymena different from the rest of Antrim?
Ballymena usually follows the Antrim forecast closely, but some days differ, so it has its own forecast. In 2026 it had 19 High or Very high days, against 16 in the Antrim forecast.
What are the common hay fever symptoms in Ballymena?
Hay fever symptoms in Ballymena are influenced by the county's varied terrain and coastal location. The Glens of Antrim create sheltered valleys where pollen can accumulate, while coastal areas benefit from sea breezes that disperse allergens. Common symptoms include sneezing, runny or blocked nose, itchy and watery eyes, and an itchy throat. During prolonged dry spells, symptoms may be more persistent. The urban environment means pollution can exacerbate symptoms, particularly in built-up areas.
When is pollen season in Ballymena, Ireland?
Tree pollen season typically starts slightly later in Ulster, running from late February to May. In Ballymena, the key local trees are beech, oak, sycamore, which affect spring pollen levels. Grass pollen season peaks in June and July, with the Antrim Coast and Belfast Lough contributing to local concentrations. Weed pollen, including nettle and dock, can be present from June to September. Our daily forecasts help you track these changing conditions throughout the seasons.
How does weather affect pollen levels in Ballymena?
Belfast and the eastern coast experience drier conditions than western Ulster, with occasional easterly winds bringing pollen from Scotland. Sea breezes along the coast can help disperse pollen, making coastal areas preferable during high pollen days. Warm, dry, and windy days typically see higher pollen counts as conditions favour pollen release and dispersal. During dry spells, pollen levels can build up over several days.
Does rain reduce pollen levels in Ballymena?
Yes, rain generally reduces airborne pollen levels in Ballymena by washing particles from the air. During the drier periods common in Ballymena, rain showers provide welcome relief. However, thunderstorms can break pollen grains into smaller particles that penetrate deeper into the lungs. Light, steady rain is best for pollen relief. Check our daily forecast to plan activities around weather patterns.
How can I manage hay fever in Ballymena?
Belfast offers excellent pharmacy and GP access. The coastal path from Carrickfergus to Larne provides lower-pollen walking options on breezy days. General tips include checking our daily pollen forecast before planning outdoor activities, staying indoors during peak pollen times (usually mid-morning and early evening), wearing wraparound sunglasses outdoors, and showering after being outside. The coastal areas of Ballymena typically have lower pollen levels, especially when sea breezes are blowing. Consult your pharmacist or GP about antihistamines and other treatments tailored to your symptoms.