The incident, along with smog that regularly blanketed cities ... Scientists have also explored how and why different types of air pollution harm health. Some particles, for example, are so ...

A hidden air pollutant is discovered by Caltech scientists that may change the way smog is studied in Southern California ...

“Both these types of pollution cause people ... While climate change is contributing to heavy air pollution, it used to be much worse. Smog has covered cities like Los Angeles since the early ...

A study by UC San Diego researchers reveals that pollutants found in the sewage-laden Tijuana River are ending up in the air ...

Almost half of everyone who lives in the United States breathes unhealthy levels of air pollution ... short-term particle pollution are: Ozone pollution, also called smog, is the presence of ...

Air pollution levels keep getting worse ... Sacramento-Roseville, CAOzone pollution, also called smog, is the presence of ground-level ozone that forms when chemicals like nitrogen oxides and ...

In these months, temperatures on the Indo-Gangetic plain—the area that spreads from eastern Pakistan, across North India and ...

Doctors, environmental groups and residents are trying to determine if there is a causal connection between pollutants from ...