The advisories impact large areas of Idaho, Oregon, Montana and Washington, lasting through the end of January.

The Air Quality Index (AQI) can tell you a lot about the health of the environment, but there are still measures you can take ...

Storyline: Wildfires in the Los Angeles area of Southern California have forced residents to remain indoors due to hazardous ...

Dhaka topped the list of cities having the worst air quality with an AQI score of 295 at 8:55am this morning (January 27, ...

The Thai capital has been struggling with hazardous air quality since midweek, when city authorities gave schools permission to close and advised people to work from home after the air quality ...

The EPA set up a waste collection site in Lario Park in Azusa – without notifying residents in nearby cities – saying it was ...

to capture a picture in the community of what they experienced on the specific day of the really big peak in hazardous air quality during the fire.” As extreme weather conditions continue to ...

Unlike typical wildfires, smoke from the L.A. fires — consisting of toxic materials from burned down homes, cars, and more — ...

IQAir reports health-harming PM 2.5 levels across Thailand, with Mueang Phra Nakhon Si Ayutthaya Municipality worst hit at US ...

Thailand has introduced free public transport in Bangkok for a week to tackle severe air pollution. Over 350 schools were ...

Bangkok’s air quality took a nosedive today, earning it the grim title of the fourth worst city in the world for air ...