Overview

• Experts predict the 2025 nuptial flight could be the largest in recent memory due to alternating wet and warm weather, high humidity and low wind speeds.
• The phenomenon typically unfolds across Britain between mid-July and late August, with peak swarms anticipated around July 22–25.
• Early monitoring indicates that major flights may begin in urban centers like London ahead of the main swarming period.
• Dense ant clouds have been known to show up on weather radar and are crucial for soil aeration, nutrient recycling and feeding birds.
• Homeowners can limit indoor incursions by sealing entry points, keeping windows closed and fitting fly screens.