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Longitudinal trends in asthma emergency department visits, pollutant and pollen levels, and weather variables in the Bronx from 2001–2008

Journal of Asthma Mar 29, 2020

Kordit DS, , et al. - Researchers investigated transitions in asthma-related emergency department visits (AREDV), air pollutant levels, pollen counts, and weather variables from 2001 to 2008 in the Bronx, NY. They used their institution’s Clinical Looking Glass software to retrieve 42,065 daily AREDV values (1 January 2001 to 31 December 2008). The National Climatic Data Center's Bronx station was approached for daily values of sulfur dioxide (SO2), carbon monoxide (CO), ozone (O3), nitrogen dioxide (NO2), temperature, and humidity. The Armonk counting station near the Bronx was approached for daily tree pollen counts. Analysis revealed significant decreases in AREDV, SO2, CO, and humidity for all seasons, and decreases in NO2 for the spring and winter from 2001 to 2008. Further, there were increases in O3, temperature, and spring tree pollen. Efforts can be made to reduce AREDV by tracking and anticipating environmental and pollutant changes.

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