The air quality index reported in Maricopa County on Jan. 2 is 120, which means the air is unhealthy for sensitive groups.

The Northeast Ohio Areawide Coordinating Agency has issued an air quality alert for counties bordering the Valley.

The air quality index reported in Maricopa County on Jan. 2 is 120, which means the air is unhealthy for sensitive groups. Here's how you can stay healthy.

If you step outside in many parts of the Valley after ringing in the new year, you’ll likely notice the poor air quality or see a hazy blanket over the land.

The U.S. Environmental Protection Agency (EPA) has updated the AirNow mobile app to allow users to receive optional push notifications of their local Air Quality Index (AQI) forecasts for the next day ...

To better illustrate the latest trends, the DNR updated its Air Quality Trends Report Interactive StoryMap, which shows ...

sensors showed the air was deemed unhealthy for sensitive groups in local areas, according to a federal air quality index. Officials urged those with respiratory or heart problems, the elderly and ...