Just as mountain cedar season came to an end, another pesky pollen is making an appearance in the pollen count for the first time this season — oak.

Due to climate change, plants' pollination season has been growing longer and longer. As a result, people are exposed to allergens for extended periods each year, raising a major public health concern ...

Dr. Mark Kalenian expects the tree pollen season to run through May.

Cedar and Chinese elm pollen has grown to some of the highest levels in the nation. Here's how you can prtect yourself.