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

On Tuesday at 7:24 a.m. an air quality alert was issued valid until Wednesday at midnight. The alert is for Catalina and ...

An air quality alert was issued on Tuesday at 7:37 a.m. in effect until Wednesday at midnight. The alert is for San ...

Delhi experiences a slight improvement in air quality as the AQI remains in the poor category for three consecutive days, ...

"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 ...

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

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

Running an air purifier can help ease your mind about dangerous gases and inhalable particles in your home. The tiny Amazon ...

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

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 ...