As many try to plan their schedule around the smog and pollution levels in their locality, Google has rolled out a new AQI (Air Quality Index) mapping tool that lets users see how severe air pollution ...

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 ...

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 ...