Philadelphians who live near industrial land and major roads – those who live in the Port Richmond and Bridesburg neighborhoods along I-95, or the Delaware River port-industrial corridor, for example – face worse air pollution and are more likely to have asthma than residents who live farther from those sites.
Philly neighborhoods with a higher percentage of green areas, by contrast, have lower levels of diesel particulate matter, nitrogen dioxide and other toxic air pollutants, which inflame and irritate the respiratory system. Many of them have lower asthma rates too.
