pine pollen.
Pinus · Tree
The yellow dust on cars and porches in spring.
Usual season in the US
March to June
Typical months; the stronger marks are the usual peak. Seasons shift with region, weather and year.
Where it grows
Pines grow across the Southeast, the West and the northern forests.
Good to know
Pine pollen is the most visible pollen of the year. Because it shows up on everything, it often gets the blame on days when other trees are in the air too; a diary is a good way to see which one moves your symptoms.
In Sneezecast
Pine is in the five-day forecast for your area whenever it’s in season. Star it if you know it gets you, and the morning verdict follows it:
Pine high — your top trigger. Take your usual allergy medicine before you head out.
Not sure it’s yours? Log how each evening felt in two taps. After ten logged days, Sneezecast compares your diary with the pollen and ranks what moves your symptoms. How it learns
Oak
Birch
Maple
Grasses
Elm
Ash
Alder
Cottonwood