The red-level air quality index (AQI) category—covering values from 151 to 200—means the air is unhealthy for everyone, not ...

Air pollution fell substantially as the city restricted car traffic and made way for parks and bike lanes. Over the past 20 ...

A University of Northern BC graduate student is researching better ways to measure and identify air pollutants — and that ...

Air quality conditions across several U.S. cities reached levels this week that federal agencies deem "unhealthy for sensitive groups," prompting health alerts and recommendations that children and ...

Air quality from Houston to Galveston and Brazoria ... FULL LIST: The Houston Chronicle has a list of interactive trackers and live maps that you can use to stay informed. High temperatures ...

"But it can impact your health." The Maricopa County Air Quality Department maintains a status map showing air quality information collected by its ground-level monitors across the Valley.

The EPA classifies Air Quality Index (AQI) readings in that range as “unhealthy”—depicted on its map as a red zone—which could cause some members of the general public to experience health ...

Want to know how your yard, local park, or school playground is helping the planet? Now you can – with just a few clicks.

Learn the impact of traffic reduction measures in major cities like New York, Paris, and London on air quality and congestion ...

Officials in the Tucker County community still have many questions after a secretive company applied to build a 500-acre ...