Today, May 18, 2025, the types of pollen that are high depend on the location, but generally:

• In New York, tree pollen (specifically oak) is high today with a pollen count of 100 PPM, grass pollen is moderate at 37 PPM, and weed pollen (ragweed) is lower at 20 PPM

• In Ireland (Leinster, Munster, Connacht, Ulster), birch and cypress tree pollen levels are currently high, with ash pollen levels rising recently. Grass pollen is at moderate levels, and little or no weed pollen is expected

• In Erfurt, Thuringia, Germany, grass pollen is moderate today, while tree pollen is reported as none

Thus, the most notable high pollen types today are tree pollens such as oak (in New York) and birch and cypress (in Ireland), with grass pollen moderate in some regions