Worst County for Fall Allergies in Every State

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Source: MATTHEW HARRISON SMITH / Wikimedia Commons

11. Idaho: Ada County
> County seat: Boise
> Est. adults with asthma: 29,036
> Average fine particle concentration: 10.6 µg/m3 (3rd of 44 ID counties)
> Population living in urban area: 94.5% (1st of 44 ID counties)

Source: Goldnpuppy / Wikimedia Commons

12. Illinois: Lake County
> County seat: Waukegan
> Est. adults with asthma: 43,992
> Average fine particle concentration: 12.6 µg/m3 (5th of 102 IL counties)
> Population living in urban area: 98.7% (3rd of 102 IL counties)

Source: Chris Light / Wikimedia Commons

13. Indiana: Porter County
> County seat: Valparaiso
> Est. adults with asthma: 13,126
> Average fine particle concentration: 12.7 µg/m3 (7th of 92 IN counties)
> Population living in urban area: 79.2% (13th of 92 IN counties)

Source: Scott Romine / Wikimedia Commons

14. Iowa: Harrison County
> County seat: Logan
> Est. adults with asthma: 842
> Average fine particle concentration: 8.9 µg/m3 (53rd of 99 IA counties)
> Population living in urban area: 18.9% (75th of 99 IA counties)

Source: Thinkstock

15. Kansas: Sedgwick County
> County seat: Wichita
> Est. adults with asthma: 32,513
> Average fine particle concentration: 10.0 µg/m3 (4th of 105 KS counties)
> Population living in urban area: 92.3% (3rd of 105 KS counties)