AirNow is a collaborative effort of federal agencies that provides air quality data across the U.S. The site also has ...

Wildfires are tearing through thousands of acres in Los Angeles County in California, as strong Santa Ana winds stoke the ...

As thousands of acres burn across Southern California, wildfire smoke is causing poor air quality in the region and beyond.

Air quality across parts of California is deteriorating to hazardous levels as strong winds drive rapid wildfire spread and ...

LA's wildfires pushed AQI to "moderate," but Delhi's air hit a hazardous 410, highlighting its chronic pollution crisis and ...

Delhi's air pollution levels showed an increasing trend and the 24-hour average air quality index (AQI) stood at 357 at 4 pm, ...

Wildfire smoke increases tiny particles in the air known as particulate matter that can be harmful to people’s health.

Recent data from the Central Pollution Control Board showed that the air quality in Delhi has deteriorated to a poor level, ...

With hazardous levels of smoke lingering over Los Angeles County as a result of the slew of wildfires currently burning throughout the region, county officials are urging the public to stay safe.

Encouraging the adoption of cleaner transport, the court suggested gradually phasing out diesel-driven vehicles while ...

LOS ANGELES (AP) — With levels of sooty air pollution far too high across swaths of the Los Angeles area, Dana Benton is ...