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

A series of live maps from Windy.com highlighted which parts of the U.S. were experiencing elevated levels of air pollution ...

Smoking, air pollution and several other factors have led to significant disparities in lung health across the U.S.

Air pollution isn't always visible, but it's definitely real. To help us gain a better understanding of air quality around the world, BreezoMeter, an air quality analytics provider, is visually ...

The Illinois EPA declared an Air Pollution Action Day in the Chicago metro area. See today's air quality index forecast for Illinois.

Here's a map of the entire US. Top ten US metro areas with least air pollution: Residents skew white. Some of the communities with the best air quality included Bangor, Maine; Wilmington, North ...

The current infrastructure also isn’t set up to fully account for the shifting behavior of wildfire smoke, which can travel ...

PM2.5 pollution, found in outdoor air, is often from the emissions caused by the “combustion of gasoline, oil, diesel fuel or wood,” the California Air Resources Board explains.

In California, the South Coast Air Quality Management District has issued an alert through 11:59 p.m. Friday for the Coachella Valley because of high levels of particle pollution from windblown dust.

The most vulnerable nation to air pollution: the USA . So, what makes the US’s situation so precarious? Well, not to state the obvious, but a lot of it is because of all the air pollution.