Unhealthy air quality has descended on parts of the Bay Area thanks to a combination of cold weather, dense fog and smoke.

"It's looking like, at least for the rest of the week into Friday, we're going to have either a stage one or a stage two burn ...

Dhaka, the overcrowded capital city of Bangladesh, has ranked the 7th on the list of cities with the worst air quality with ...

Air quality across the Sacramento region is forecast to be unhealthy for sensitive groups on Monday. “A stretch of cold ...

Noida last saw a “moderate” air quality day on October 24 when the AQI was 169, Ghaziabad and Greater Noida last recorded ...

In late November, Delhi’s environment minister Gopal Rai sought permission from the central government to use cloud seeding ...

Dallas County is among 10 counties that don’t meet new federal air quality guidelines. What happens next is anyone’s guess.

Former Utahns Heidi Belka and her son Freddy, who suffers from asthma, moved to Hawaii over the summer. And it’s all because ...

You don’t really know what a traffic jam is until you see a mayor of a major capital city claiming that he has decided to ...

Ask people in the Bronx about the MTA's congestion pricing plan and it's not traffic and tie-ups that worry the moms and dads ...

LAHORE: Bed air keeps Lahore on the top of the air quality index as most polluted city of the world with AQI reading 310 on ...

A dense layer of smog blanketed the city, with several areas reporting AQI levels well above 300, indicating a significant ...