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

Learn what the air quality index (AQI) means, how it impacts your health, and how to stay safe when pollution is high.

The progress China is making towards cleaning its air has once again been thrown into focus with the publication of the third ...

This measure, based on data from the Environmental Protection Agency, evaluates states on the number of days the Air Quality Index in counties was not rated “good.” U.S. News calculated a ...

Public health experts recommend monitoring changes in air quality as often as you check the weather. But you should also know some basic facts to help you determine your own sensitivity to air ...

The Air Quality Index (AQI) is an index for reporting daily air quality. It tells you how clean or polluted your air is, and what associated health effects might be a concern for you. For more ...

A series of life-threatening fires are destroying homes as they race across Los Angeles County and surrounding areas. CNN is ...

The quality of the air we breathe and the water we drink are critical aspects of leading a healthy, productive life. The air and water quality subcategory informs the best states for natural ...