The LA wildfires have burned tens of thousands of acres – but on some weather maps, air quality still looks good. What’s ...

Delhi woke up to a thick blanket of fog on Saturday morning, causing significant disruptions in flight and train services.

With cold waves hitting the national capital, the city recorded a temperature of 16.99 °C on Saturday (Jan 18). The day's ...

As local leaders focus on rehousing more than 100,000 people forced to evacuate, public health leaders emphasize that ...

Dhaka, the overcrowded capital city of Bangladesh, has topped the list of cities with the worst air quality with an AQI index of 255 at 09:01am today (17 January).  ​​The air was classified as 'very ...

There's confusion over how safe air quality is in L.A. as fires continue to burn, spewing wildfire smoke and toxins. We look at air quality readings, what's real and what's not and what people can do.

After fires destroyed multiple neighborhoods across Los Angeles County, many residents looked up to find blue, smoke-free ...

Air quality in wildfire-stricken Los Angeles improved on Thursday from hazardous peaks hit earlier this month, as tiny soot ...

Calculating air pollution from wildfires and other events has become more complicated. That doesn’t mean it’s necessarily ...

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

The wildfires raging across Los Angeles County have killed at least 24 people and forced tens of thousands to evacuate. The Palisades fire, deemed the most destructive in Los Angeles history, erupted ...