air quality

Here's Where You're Most Likely to Die From Air Pollution

A new NASA map of the planet lays out the depressing geographies of smog and premature death.

This Japanese Volcano Just Shot Ash 3 Miles Into the Air

A tremendous eruption this Sunday on Mount Sakurajima delayed trains and turned streets as dark as night.

NASA

Choking Clouds of Wildfire Smoke Sprawl Over Southern Oregon

Huge wildfires, aggravated by a bad drought, are sending acrid clouds of smoke into nearby cities.

Seth Wenig/Reuters

How Gross Is the Air of the NYC Subway, Really?

The results of a microbial analysis.

Reuters

China's Spectacularly Silly Plan to Curb Air Pollution

We hate to disappoint, but banning BBQ won't do much.

Paul Hackett/Reuters

Is London's Air Up to Snuff?

How does England's air quality compare to that of past hosts, and could it affect athletes?

Paulo Whitaker / Reuters

Why Does California's Central Valley Have Such Bad Air Pollution?

The farming communities of the Central Valley breathe some of the worst air in the nation

Carlos Barria / Reuters

WHO: Iran, South Asia Ranked Worst in Urban Air Pollution

Air quality continues a downward slide worldwide, according to the World Health Organization