Parents and educators are being warned to limit children's time spent outdoors in parts of southern New Mexico and El Paso, ...

Ozone is a gas comprised of three oxygen (O3) atoms. It is unstable and reacts easily to other gases. In its natural state, it is a component in several levels of the atmosphere. At high altitudes ...

Mount Rushmore tourists hit with air quality warning - Air quality index values were estimated to have peaked at 161 at a key ...

Everyone should cut back on the time they spend outdoors Friday, especially people with heart or lung disease, older adults, children, and teens, according to the U.S. Air Quality Index. Avoid ...

Weather conditions can influence air quality and the impact of the Masters could be more or less pronounced depending on these conditions.

A new study has found a direct link between early-life exposure to ground-level ozone and asthma or wheezing in young children.

Air quality levels are harmful for sensitive populations in parts of Nebraska, and children are urged to stay indoors.

Dhaka, the overcrowded capital city of Bangladesh, has topped the list of cities with the worst air quality with an AQI index of 173 at 9:05am today (19 April). The air was classified as 'unhealthy', ...

Air quality is measured by the Air Quality Index, or AQI. The index was created by the Environmental Protection Agency in 1999. When the AQI exceeds 50, air quality alerts, or AQAs, are issued. Above ...

A misleading post is doing the rounds on social media platforms claiming that Delhi witnessed clean air for the first time in three years.

Air quality is measured by the Air Quality Index, or AQI. The index was created by the Environmental Protection Agency in 1999. When the AQI exceeds 50, air quality alerts, or AQAs, are issued. Above ...

On Tuesday at 1:59 p.m. the National Weather Service reported an air quality alert in effect until Wednesday at 10 a.m. The alert is for Nance, Merrick, Polk, Hamilton, York, ...