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

Smoke travels hundreds of miles to harm air quality far from the fire, according to the EPA’s Wildfire Smoke and Your Patient ...

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

A series of live maps from Windy.com highlighted which parts of the U.S. were experiencing elevated levels of air pollution on Friday. The maps showed data for multiple types of pollutant, including ...

Air quality is unhealthier-than-average for some people Thursday as winds are blowing wildfire smoke across the Northern ...

New Delhi continues to be the most polluted capital on Earth, but it's not the world's most polluted city. That title goes to ...

Air pollution maps depicting the dramatic fall in pollution levels in Paris after the city restricted car traffic has gone viral on social media. The image shows the pollution levels in the French ...

The World Health Organisation (WHO) has established guidelines for safe air pollution levels, based on the quantity of PM2.5 — tiny matter of 2.5 micrometres or less in diameter.

The 25 most polluted cities in the world IQAir, a Swiss company that measures global air quality, has released its 7th annual World Air Quality Report. It assessed over 40,000 air quality monitoring ...

Pollution in the Vietnamese capital of Hanoi, home to almost 9 million people, reflects the environmental cost of the Southeast Asian nation’s explosive growth.

Viral Map Shows Paris' Pollution Drop As City Trades Cars For Bike Lanes Paris has traded automotive routes for bike lanes, adding green spaces and eliminating 50,000 parking spaces.