Families hanging clothes outside this summer are being urged to follow the 12pm rule to keep laundry fresher and reduce pollen cling. Grass pollen peaks in July, and on windy days, airborne particles stick to fabrics, triggering hay fever symptoms such as itchiness, streaming eyes, and coughing. Drying indoors can cause dampness, while tumble dryers increase energy bills.
The 12pm Rule Explained
Experts at Allure Bath Fashions recommend drying clothes between 10am and 4pm to take advantage of the strongest sun, but specifically note that drying between 12pm and 4pm helps reduce pollen settling on fabrics. Pollen counts decline around midday as rising temperatures lift pollen higher into the atmosphere, making it less concentrated near the ground.
Why Afternoon Drying Works
Hanging clothes in late morning before noon allows faster drying due to the sun's highest point. Pollen is typically released at sunrise and remains close to the ground in the morning. Afternoon heat dries out pollen grains, allowing wind to disperse them over a wider area. Bring laundry indoors before 4pm to avoid pollen settling again as air cools.
Additional Tips to Prevent Pollen
Shake clothes thoroughly before bringing them inside to dislodge any pollen. Avoid leaving laundry out overnight when cooler, still air allows pollen to accumulate. Position drying racks or lines on patios or paved areas away from grass, hedges, and trees to minimize pollen deposits.
