The smaller particles could in fact be more harmful as they can get through the body's natural defenses and cause significant health problems.

Poor air quality caused by ozone and other sources prompted the warnings across six states on Thursday and Friday.

The map delivers real-time information on air pollution along with hourly forecasts and helpful weather-related health and fitness recommendations. Its data is drawn from "official air quality ...

Smoke from wildfires burning in the northern Sacramento Valley may bring hazy skies and unhealthy air to parts of the Bay ...

Map of coal power by state. Note: about of third of the air pollution can go thousands of miles from the plant. There is more impact on air quality and health of those near the plants. Air pollution ...

New hyper-local air pollution map unveiled Date: June 5, 2017 Source: University of Texas at Austin Summary: Engineering researchers have developed the most detailed and extensive local map of air ...

Unhealthy and even hazardous air pollution blankets a large portion of the world today, a real-time air pollution map provided by Berkeley Earth shows. The map reports objective numerical values ...

The map overlays two sources of data on air pollution: for cities, the WHO’s recent release of its Ambient (outdoor) air pollution in cities database 2014; for countries, ground-level exposures ...

SAN FRANCISCO — The Bay Area Air District on Thursday issued an air quality advisory due to smoke from wildfires burning in ...

Our map and analysis focus on cancer-causing pollution generated from stationary sources. This type of air pollution acutely affects Americans who live on or near the fence lines of industrial ...