At "hazardous" levels, the region is experiencing an air quality emergency. Those with chronic respiratory or cardiovascular conditions are more at risk of developing serious health issues as ...

The air quality in Detroit is unhealthy Friday with some areas in southeast Michigan even experiencing very unhealthy or hazardous conditions, according to the U.S. Air Quality Index. People with ...

Air quality in New Delhi plummeted to “hazardous” levels on Wednesday, with parts of the city recording pollutant levels more than 50 times higher than the World Health Organization’s ...

Hazardous air quality levels are indexed at 300 or higher. As the day progressed, levels dropped from 325 to 182, improving the quality of the air to "unhealthy" rather than hazardous.

BOISE, Idaho — Idaho continues to have some of the worst air quality in the United States. Thursday morning, air quality in the Treasure Valley was hazardous, which is the highest category on ...

Some popular weather apps had reported a dangerously hazardous Air Quality Index. By Amy Graff Amy Graff is a reporter on The Times’s weather team. Readings from several popular weather apps had ...

The air quality in Detroit is unhealthy Friday with some areas in southeast Michigan even experiencing very unhealthy or hazardous conditions, according to the U.S. Air Quality Index. People with ...

Home Air Quality Monitors: Most home monitors are limited in their abilities. For more refined readings, Wirecutter trusts two monitors to be accurate, reliable and easy to interpret and respond to .

For much of today, Syracuse’s air has been in the “hazardous” range, the worst of five air pollution categories. At 1 p.m., the air quality index, which ranges from zero to 500, reached 438 ...

New Delhi’s Air Quality Index, which measures the presence of pollutants in the air, has hovered above 400—considered to be in the “severe" or "hazardous” category where even healthy ...

The effects have been profound. On Tuesday, for a time, IQ Air ranked New York City as having the worst air quality in the world, above cities like Delhi, India, and Dhaka, Bangladesh. As of ...