Pollution in many Chinese cities still exceeds WHO limits, but levels have dropped sharply since the 'airpocalypse' era.

The Trump Environmental Protection Agency delivered a significant blow to longstanding US climate policy on Thursday, finalizing rules to revoke a 2009 scientific finding that human-caused climate ...

The EPA has repealed a key climate finding and changed how it weighs pollution's health impacts. Experts and patients say the shift could affect air quality and public health.

The primary pollutant in Milwaukee on Monday is PM2.5, which can be caused by wildfire smoke, vehicles and power plants.

A Code Orange air quality alert has been issued for south-central Pennsylvania, including Lancaster County, beginning on ...

A research team from the Max Planck Institute for Chemical Ecology has shown in a new study that ants returning from habitats ...

Southeast Michigan and central regions see poor air quality for sensitive groups due to pollutants being released from ...

Ants send messages to colony members through odor compounds that contain alkenes, chemicals that help nestmates recognize one ...

The Greater Lansing area is experiencing unhealthy air for sensitive groups on Monday, Feb. 16, as melting snow releases ...

The National Weather Service reported an air quality alert at 3:30 p.m. on Monday in effect until Wednesday at midnight for ...

Are you spending more time inside this winter? Consumer Reports says improving indoor air quality can make a real difference.