What does the air quality index (AQI) mean?

An air quality index (AQI) is a number used to communicate how polluted the air currently is or how polluted it is forecasted to become.

Today, there is no standardized approach to providing air quality information globally, meaning AQIs are usually different from country to country.

BreezoMeter has created a new uniform index: the BreezoMeter Air Quality Index (BAQI). The BAQI values range between 100 (Excellent air quality) and 0 (Poor air quality), and are determined based on concentrations of predefined air pollutants depending on local standards (read more).

In addition to the BAQI, the Local AQI is always available as well.


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