Since 2007, Air Quality Awareness Week (AQAW) has been recognized throughout the United States. This year, AQAW took place from May 1st to the 5th and the theme was Working Together for Clean Air., , , , The annual event is supported by AirNow - the home of the U.S. Air Quality Index (AQI), U.S. Environmental Protection Agency (EPA) and partners such as the Centers for Disease Control and Prevention (CDC), National Oceanic and Atmospheric Administration (NOAA), National Aeronautics and Spa...