Air pollution exposure inequality persists in Massachusetts

Despite overall reductions in ambient air pollution in Massachusetts, exposure continues to fall unequally along racial/ethnic, income, and education lines, according to a new study led by a School of Public Health researcher.The study, published in Environmental Research, found concentrations of nitrogen dioxide (NO2) and fine particulate matter (PM2.5) decreased across the state between 2003 and 2010, but exposure remained higher in predominantly Hispanic and non-Hispanic black