See The New Top 5 Worst Allergy Cities
The worst cities for allergy victims are often discovered within the Southeast, however the brand new listing simply launched by The Asthma and Allergy Foundation of America exhibits a stunning shift to the West in 2026.
More than a quarter of adults within the U.S. undergo from seasonal allergic reactions, based on the Centers for Disease Control and Prevention. New analysis additionally exhibits that allergy season has grown longer and stronger in nearly each a part of the nation.
(MORE: How To Really Get Relief From Nasal Spray)
For its report, The Asthma and Allergy Foundation scored cities not simply on the quantity of tree, weed and grass pollen, but in addition on how a lot over-the-counter allergy drugs is being purchased. It additionally checked out what number of board-certified allergists and immunologists can be found to assist deal with a metropolis’s allergy victims.
The Top 10 Worst Cities For Seasonal Allergies In 2026
1. Boise, Idaho
2. San Diego, California
3. Tulsa, Oklahoma
4. Provo, Utah
5. Rochester, New York
7. Raleigh, North Carolina
8. Ogden, Utah
9. Spokane, Washington
10. Greenville, South Carolina
Boise, Idaho, tops the listing for the primary time and researchers consider atmospheric rivers contributed to a spike in pollen ranges there and in lots of elements of the West. The heavy rain and moist winter could make vegetation develop quicker and bloom earlier — resulting in extra pollen within the air.
Warmer temperatures as a result of local weather change and drought situations in different elements of the West, like Utah, additionally have an effect on how a lot pollen vegetation produce, how far it travels and the way lengthy it sticks round.
(MORE: Must Of The West Had Warmest Winter On Record)
Be certain to take a look at our complete guide on allergy season and be taught how one can put together for top pollen days the place you reside.
