Worst County for Fall Allergies in Every State

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Source: diversey / Flickr

21. Minnesota: Lyon County
> County seat: Marshall
> Est. adults with asthma: 1,430
> Average fine particle concentration: 6.8 µg/m3 (46th of 87 MN counties)
> Population living in urban area: 52.1% (30th of 87 MN counties)

Source: Chris Pruitt / Wikimedia Commons

22. Mississippi: Jackson County
> County seat: Pascagoula
> Est. adults with asthma: 8,314
> Average fine particle concentration: 10.1 µg/m3 (21st of 82 MS counties)
> Population living in urban area: 72.7% (6th of 82 MS counties)

Source: Kbh3rd / Wikimedia Commons

23. Missouri: St. Charles County
> County seat: St. Charles
> Est. adults with asthma: 27,563
> Average fine particle concentration: 11.7 µg/m3 (2nd of 115 MO counties)
> Population living in urban area: 94.2% (4th of 115 MO counties)

Source: Djembayz / Wikimedia Commons

24. Montana: Flathead County
> County seat: Kalispell
> Est. adults with asthma: 6,538
> Average fine particle concentration: 8.9 µg/m3 (3rd of 56 MT counties)
> Population living in urban area: 48.5% (18th of 56 MT counties)

Source: shannonpatrick17 / Wikimedia Commons

25. Nebraska: Douglas County
> County seat: Omaha
> Est. adults with asthma: 28,992
> Average fine particle concentration: 9.5 µg/m3 (1st of 93 NE counties)
> Population living in urban area: 97.8% (1st of 93 NE counties)