2021 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^c 2021
Current Asthma Prevalence	State
<8.1%	GU, HI, USVI
8.1 – <8.8%	CA, IL, MN, NC, ND, NE, SD, TX
8.8 – <9.5%	AK, AR, AZ, GA, IA, MD, MO, NJ, NV, SC
9.5 – <9.9%	DE, ID, LA, MT, NY, UT, VA, WY
9.9% +	AL, CO, CT, DC, IN, KS, KY, MA, ME, MI, MS, NH, NM, OH, OK, OR, PA, PR, RI, TN, VT, WA, WI, WV
No Data	FL

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

Asthma and Community Health Branch, National Center for Environmental Health
Centers for Disease Control and Prevention

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