BreezoMeter uses an index called “AQI (LU)”
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 (LU) represents air quality levels according to the following health categories:
Category
AQI
Excellent air quality
1
Very good air quality
2
Good air quality
3
Fairly good air quality
4
Moderate air quality
5
Poor air quality
6
Very poor air quality
7
Bad air quality
8
Very bad air quality
9
Horrible air quality
10
Pollutant Type
Period
pm10
24h avg.
o3
1h or 8h avg.
so2
1h or 24h avg.
no2
1h or 24h avg.
no
1h or 8h avg.
co
1h or 8h avg.
The chart displays the pollutants that are part of the The following chart displays the pollutants that are part of the AQI (LU) calculation and the timeframe taken to average each pollutant type. :
Explore the local air quality indexes BreezoMeter uses in various countries.