By evening, the AQI climbed further to 393 at 5 PM and 396 at 6 PM, prompting authorities to enforce measures under Stage IV ...

The air quality in Delhi improved to the very poor category. According to the Central Pollution Control Board, the AQI was ...

The Cleveland Division of Air Quality proposed changes to its air quality codes to for the first time since 1977. The updates ...

The Public Works Department (PWD) appears to have overlooked dust mitigation protocols mandated by the BMC and the state ...

The Delhi Directorate of Education has directed schools to shift to hybrid classes for students up to Class 9 and Class 11 ...

Overnight rains in Delhi-NCR intensified the chill, causing dense fog and delays for 29 trains. Authorities predict light ...

Wildfire ash carries many carcinogens that could cause short- and long-term health problems, including asthma attacks and ...

Delhi-registered BS-IV and older diesel-run heavy goods vehicles are banned, except for essential services under Stage 4.

A cancer-causing chemical is spewing into the air, in Niagara Falls, from the nearby Goodyear plant. That chemical is being ...

California has abandoned key clean-air regulations ahead of Trump's inauguration, citing potential opposition.

The nation’s second largest city and its surrounding areas are now experiencing hazardous air quality - here's how these ...

Health hazards from soot and smoke blown indoors onto furniture and walls can linger for months: “Wind will get through every crack.” ...