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Mother Nature Network

02

Nov

People in poor, non-white neighborhoods breathe more hazardous particlesLos Angeles, Pittsburgh, Cincinnati, St. Louis and Fresno are among the metropolitan areas with unhealthful levels of fine particles.

People in poor, non-white neighborhoods breathe more hazardous particles
Los Angeles, Pittsburgh, Cincinnati, St. Louis and Fresno are among the metropolitan areas with unhealthful levels of fine particles.