For tens of millions of Americans , allergy season ushers in a period of misery, characterized by runny noses, itchy eyes, coughing and sneezing, all triggered by trees, grass and various pollens. The intensity of these symptoms can differ greatly depending on an individual's geographic location, specific allergens and daily lifestyle. Experts are increasingly pointing to climate change as a key factor contributing to longer and more severe allergy seasons. Yet, there is positive news: treatments for seasonal allergies have become notably more effective over the last decade. With these advancements, experts are now offering practical advice to help manage symptoms, potentially enabling sufferers to enjoy the outdoors once again. Here's how to track pollen levels Pollen trackers can help you decide when to go outside. The American Academy of Allergy Asthma and Immunology tracks levels through a network of counting stations across the U.S. Counts are available at its website and via email.…