Experts couldn't measure just how bad the air pollution was because the sandstorm caused traditional measuring instruments to break.
High levels of dangerous pollution have stabilised in China, but are rising sharply in India and Bangladesh.
High levels of dangerous pollution have stabilized in China, but are rising sharply in India and Bangladesh.
People living within 50 meters of high-traffic roads have a 7 percent higher chance of developing dementia.
Poor air quality has plagued the country's north, triggering a red alert in Beijing.
Metals in air pollution have been linked to damage in children's lungs.
New figures show 80% of urban populations exposed to 'very high' pollution levels
The group said it plans to target 17 London statues and fix breathing masks over their faces.
The Georgia-Pacific factory made the small town prosper, but it could also be contaminating its air and waterways.
Campaigners are challenging the plan, which would allow 55 liners to moor on the Thames every year.
By bringing emissions down to the Paris climate talk target, the U.S. will improve air pollution to the point that it could save hundreds of thousands of lives
More than half of those deaths occur in China and India, according to research.
As I came home, I could TASTE THE BAD air even with my mask on.
The announcement marks the first red alert in the city's history.
A new study from MIT found that the excess pollution will kill about 60 Americans prematurely.
The agency's scientists warned against setting the limit at this level.
Breathing air clean enough to meet the EPA's standards raises one's risk of heart disease death by 12 percent, according to a new study.
The project will pilot in San Francisco before it rolls out country-wide.
Babies were born 23 grams heavier during Beijing's fresh air Olympics period.