2020 Adult Current Asthma Data: Prevalence Tables and Maps

U.S. map showing adult self-reported current asthma prevalence by state for BRFSS 2020

Map C1
Adult^a Current Asthma^b Prevalence, BRFSS 2020
Current Asthma Prevalence	State
<8.1%	Guam, FL, LA, NC, NE, SD, TX
8.1 – <8.8%	HI, IL, MN, ND, NJ, VA
8.8 – <9.5%	AK, AL, AR, CA, GA, IA, ID, MD, MO, MS, NV, NY, SC
9.5 – <9.9%	AZ, CO, IN, OH, KS ,WA
9.9% +	CT, DC, DE, KY, MA, ME, MI, MT, NH, NM, OK, OR, PA, PR, RI, TN, UT, VT, WV, WY, WI

^aAged 18+ years
^bCurrent asthma question: Do you still have asthma?”
Legend: percentiles of the overall current asthma prevalence estimates from year 2011 data: 0%, 20%, 40%, 60%, 80%, 100%

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Page last reviewed: February 24, 2022

Content source: National Center for Environmental Health