Currently, in early May 2025, the predominant pollen types are tree and grass pollen, with weed pollen generally low or absent in many areas.

• Tree pollen is moderate to high right now in many regions. For example, in Eugene, Oregon, tree pollen is moderate with willow being the dominant type, along with ash, cedar, elm, hornbeam, maple, oak, pine, and walnut also present

. In the Northeast and New York City area, tree pollen is peaking from early to mid-May, with oak, maple, and other tree pollens common

. Tree pollen season typically runs from late March through mid-May

• Grass pollen is beginning to rise and is moderate in some areas, expected to increase through late May into summer. In Eugene, grass pollen is moderate but weed pollen remains absent

. Grass pollen typically peaks from mid-May through July

• Weed pollen is generally low or absent at this time of year but starts to increase later in spring and summer. For example, in Eugene, weed pollen is absent in early May

. Weed pollen usually peaks from late June through September

In summary, right now (early May), tree pollen is high or moderate and grass pollen is rising, while weed pollen remains low or absent in most places. This pattern aligns with the typical seasonal progression where tree pollen peaks in spring, grass pollen rises in late spring and summer, and weed pollen peaks later in summer and fall