The BelAQI index
| yesterday (observation) | currently (observation) | today (forecast) | tomorrow (forecast) | the day after tomorrow (forecast) | two days later (forecast) | |
|---|---|---|---|---|---|---|
| Belgium | poor - 6 | moderate - 5 | fairly good - 4 | good - 3 | fairly good - 4 | good - 3 |
| Flanders | poor - 6 | poor - 6 | moderate - 5 | fairly good - 4 | fairly good - 4 | good - 3 |
| Brussels | poor - 6 | fairly good - 4 | moderate - 5 | fairly good - 4 | fairly good - 4 | good - 3 |
| Wallonia | poor - 6 | moderate - 5 | fairly good - 4 | very good - 2 | good - 3 | good - 3 |