PurpleAir Blog | Making Air Quality Accessible For All

  • AQI Scales Around The World

    by Amanda Hawkins

    Different countries have different scales and ranges due to specific national standards. The public health advisory also changes with these ranges. Let’s dive deep into what an AQI scale is, what changes its readings, and what some standard AQI scales are from around the world. 

    Posted in Air Pollution, Air Quality Index, Air Quality News, AQI Scale, Science Definitions