According to the Proceedings of the National Academy of Sciences of the United States of America, pollen amounts between 1990 ...

and juniper trees. As the season goes on, expect to feel effects from pine, oak, pecan, ash, olive, sycamore, and more as we head into April. High pollen levels can lead to increased allergy ...

While red cedars provide valuable windbreaks and habitat for birds, their pollen makes winter feel like allergy season. Closely related members of the walnut family, hickory and pecan trees may ...

Officials say this alert was issued because of the Pecan, Pine, Mulberry and Hackberry tree pollen. Some Oak, Willow, Cedar and Ash tree pollen has been detected as well. Limit outdoor activities ...