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.

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 ...

The Asthma and Allergy Foundation of America (AAFA) conducted an Allergy Capitals report for 2026, ranking the largest 100 cities in the contiguous U.S. by how challenging they are to live in if you ...

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

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 ...

METRO DETROIT (WXYZ) — If your allergies seem to be hitting harder this spring — you’re not alone. A local allergy expert says our recent cooler winter may have ...

The Met Office has issued a warning about pollen levels in London this week, as the capital braces for a scorching weekend ahead. According to the Met Office, London and the South East will be facing ...