The Local Air Quality Index - Germany

The Local Air Quality Index is a method used by the government and companies to communicate air quality in an understandable way.

city illustration

How we calculate the air quality index - Germany

BreezoMeter uses an index called “LQI (DE)”


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.

Index Health Categories

LQI (DE) represents air quality levels according to the following health categories:


Very good air quality

Good air quality

Moderate air quality

Poor air quality

Very poor air quality

Pollutant Type



24h avg.


24h avg.


1h avg.


1h avg.

Index Pollutant Types

The following chart displays the pollutants that are part of the LQI (DE) calculation and the timeframe taken to average each pollutant type :

explore more countries

Air Quality Indexes Around The Globe

Explore the local air quality indexes BreezoMeter uses in various countries.