Seasonal allergies: It's not just you; here's why pollen allergies are worse than ever this spring WLS-TVIt’s not just you. Here’s why pollen allergies are worse than ever CNNWhat are the worst cities for allergies in the US? Check our map USA TODAYAllergy season is getting longer and more severe in dozens of US cities: Here’s where The HillWarming Climate, More Pollen, Worse Allergies Climate Central