Most pollen that causes allergy problems is so small that it is invisible to the human eye. Learn all about pollen, the pollen count, and more.

Most pollen that causes allergy problems is so small that it is invisible to the human eye. Learn all about pollen, the pollen count, and more.

A map shows which states will have the worst pollen counts in 2026.

DETROIT – Tree pollen levels have lowered some in Metro Detroit, but there are other types of pollen moving through our air this week. Levels of tree pollen were low on Tuesday, June 13, and are ...

The male pine cones, which dangle at the ends of lower branches, have many pollen sacks that produce and hold pollen. As the male cones mature, they nurture the pollen grains. Then, on sunny, windy ...

Due to climate change, plants' pollination season has been growing longer and longer. As a result, people are exposed to allergens for extended periods each year, raising a major public health concern ...

Hay fever affects roughly one in four UK adults. Symptoms are caused by three different types of pollen: tree, grass and weed pollen. As hay fever season typically runs from March to September, this ...

“Get the longer-acting antihistamines into your system for a good four weeks before your hay fever symptoms tend to start.

Redding's pollen levels are expected to reach very high levels by mid-March, impacting allergy sufferers and others.

AccuWeather says pollen levels have already started to ramp up in some southern and western states, and the levels will rise in northern states during the spring.