yesterday (observation)	currently (observation)	today (forecast)	tomorrow (forecast)	the day after tomorrow (forecast)	two days later (forecast)
Belgium	fairly good - 4	very good - 2	fairly good - 4	good - 3	poor - 6	very poor - 7
Flanders	moderate - 5	good - 3	fairly good - 4	fairly good - 4	poor - 6	very poor - 7
Brussels	good - 3	very good - 2	fairly good - 4	moderate - 5	poor - 6	very poor - 7
Wallonia	fairly good - 4	very good - 2	fairly good - 4	good - 3	poor - 6	very poor - 7