To avoid breathing wildfire smoke, it's important to have the right gear. Dust masks, bandanas and damp pieces of cloth won't adequately protect you from inhaling fine particulate matter like PM2.5.

Every year, air pollution causes around 2 million deaths in India. While several parts of the northern region experience an alarmingly high AQI (air quality index), several measures have also been ...

It’s tempting to compartmentalize the fires tearing through Southern California as some kind of environmental freak accident. The reality is more sobering. “It’s important to point the finger here at ...

An Air Pollution Action Day is in effect Tuesday for much of the Chicago area, with AQI levels at 137 — unhealthy for sensitive groups. Health officials urge at-risk groups to limit outdoor activity; ...