In Chattanooga, the pollen season typically begins in early spring and can last through late spring or early summer. The exact timing and duration of the pollen season can vary from year to year based on weather conditions, but it generally peaks in April or May. During this time, tree pollen, particularly from oak, hickory, and pine trees, is most prevalent. Following the tree pollen season, grass pollen becomes more dominant, typically peaking in late spring and early summer. However, it is important to note that different types of pollen can overlap and vary based on individual sensitivities and environmental factors. It is advisable to check local pollen forecasts or consult with healthcare professionals for more specific and up-to-date information on the pollen season in Chattanooga.