Air quality index forecasts show conditions are unhealthy for sensitive groups on the Peninsula, Santa Clara Valley, northern ...

A Spare the Air Alert was not issued for the weekend. Values on the Air Quality index scale still surged into the unhealthy ...

All of that pollution gets kind of squeezed tighter and becomes more dense. That’s what we see, especially overnight.” ...

The air quality index (AQI) reading of Ghaziabad city was 98 on Wednesday, in the “satisfactory” category, according to CPCB; neighbouring cities of Greater Noida and Noida also saw improved air ...

The Wisconsin Department of Natural Resources on Tuesday offered a more complete picture of exactly how the Canadian ...

“We have decided to launch a month-long awareness drive against the negative impacts of polluted air in our metropolis,” said Sarita Rai, chief of the department. “The campaign, which will start on ...

An air quality alert was issued on Wednesday at 11:37 a.m. for Lake County.

It's official. Salt Lake City has the worst air quality in the United States for a major city thanks to the building ...

The air quality in New Delhi continues to remain in the `poor` category, with a layer of smog enveloping parts of the city ...

Delhi's AQI continued to be in the 'poor' category, even as some areas in the city showed improved air quality ...

Air quality in the national capital once again slipped in the 'poor' category, after a day of light rains brought respite ...