Allergies & Pollen Count for Crater Lake Natl Park, Oregon
8.2Medium-High
Top Allergens:
Grass, Sagebrush/Sage, Mulberry
Discussion
The quantity of pollen grains in the air for Sunday will remain relatively stable in the high range. This is a result of stable temperatures. No change doesn't mean no pollen, it just means that pollen producing plants are delivering pollen at a steady pace.
Allergy Facts
Quack grass, a grass which was naturalized from Europe, is a nuisance that plagues farmers. This plant flowers (i.e., sheds pollen) from July to September and can cause hay fever symptoms in people with grass pollen allergies.