Unlike most other pollutants, particulate matter (PM) cannot be characterized by the space- and time-variations of the mass concentrations of a single compound. Important factors influencing PM ...

Gaseous pollutants from traffic sources add to evidence for particulate-matter harms ...

Checking the fine particulate matter levels along with the weather every morning has become a daily routine. Research ...

This activity was supported by a contract between the National Academy of Sciences and the U.S. Environmental Protection Agency. Additional support was provided by the National Academy of ...

Residents of South Memphis neighborhoods are being regularly exposed to air pollution levels that exceed the Environmental Protection Agency’s standards for public health, according to a community ...

One way car manufacturers can reduce their vehicles' harmful emissions is through particulate matter filters. Particulate matter refers to the most common and harmful mixture of pollutant chemicals ...