BreezoMeter uses an index called “AQI (CZ)”
We take the average of each pollutant type according to local government definitions.
An official conversion table is used to convert average pollutant concentrations to AQI for each pollutant.
The final AQI is determined by taking the worst AQI among all pollutants. The worst pollutant being the dominant pollutant.
AQI (CZ) represents air quality levels according to the following health categories:
1A - Very good air quality
1B - Good air quality
2A - Acceptable air quality
2B - Acceptable air quality
3A - Aggravated air quality
3B - Bad air quality
The chart displays the pollutants that are part of the The following chart displays the pollutants that are part of the AQI (CZ) calculation and the timeframe taken to average each pollutant type. :
Explore the local air quality indexes BreezoMeter uses in various countries.