Historic daily air quality data (from 1/1/2001), as measured by the Air Monitoring Networks of the 3 Belgian Regions.

Data are available for the following pollutants:

1. Ozone : maximum 1 hour concentration and hour of occurance.

2. Nitrogendioxyde : maximum 1 hour and hour of occurance.

3. Carbondioxyde : maximum 1/2 hour and hour of occurance.

4. Sulphur dioxyde :  daily average.

5. Particulate Matter (PM10) : daily average.

6. Particulate Matter (PM2.5) : daily average.