Pollen count in Portadown today

Portadown usually follows the Armagh forecast closely, but some days differ, so it has its own forecast. In 2026 it had 19 High or Very high days, against 24 in the Armagh forecast.

Hay fever symptoms in Portadown are influenced by the county's varied terrain and inland position. Famous for its apple orchards around Portadown and Loughgall, Armagh experiences unique spring pollen spikes during blossom season. The drumlin landscape traps pollen in valleys during calm weather. 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 rural setting means exposure to agricultural pollen sources is common during farming activities.

Tree pollen season typically starts slightly later in Ulster, running from late February to May. In Portadown, the key local trees are apple, birch, hawthorn, which affect spring pollen levels. Grass pollen season peaks in June and July, with the apple orchards and drumlin farmland 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.

As an inland county, Armagh sees less rainfall than coastal areas but can experience temperature inversions that keep pollen close to ground level. Without coastal influence, pollen can concentrate during calm, dry periods. 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.

Yes, rain generally reduces airborne pollen levels in Portadown by washing particles from the air. During the drier periods common in Portadown, 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.

Plan visits to the orchards for early morning or after rain. The higher ground around Slieve Gullion often offers clearer air during high pollen 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. Consider heading to higher ground or nearby coastal areas on high pollen days. Consult your pharmacist or GP about antihistamines and other treatments tailored to your symptoms.