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