AQI, API, PM2.5 – Which One Should I Check?

Posted on October 27, 2017

What are the benefits of using PM2.5 and not AQI to measure air quality, and what difference does it really make? PureLiving explains:

Part-I The Different Measures

AQI stands for "Air Quality Index” and rates air quality on a 0 - 500 scale, with 0 being the best, and 500 representing the worst. This method was introduced to China by the US Emba...

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