Allergies & Pollen for San Diego/Miramar MCAS, California
Discussion
The quantity of pollen grains in the air for Friday will remain relatively stable in the moderate 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
Cattail, a relative of grasses, typically grows in wet, marshy areas. These plants can shed tremendous amounts of pollen during the summer but are not a significant cause of hayfever.