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

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 ...

The Asthma and Allergy Foundation of America (AAFA) conducted an Allergy Capitals report for 2026, ranking the largest 100 ...

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

Hay fever affects roughly one in four UK adults. Symptoms are caused by three different types of pollen: tree, grass and weed ...

Due to climate change, plants' pollination season has been growing longer and longer. As a result, people are exposed to ...

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 ...

Did you know that a single ragweed plant can produce one billion grains of pollen in a season? Or that most pollen that causes allergy problems is so small that it is invisible to the human eye?