Air quality index [µg/m3]:
excellent ≤ 12
good ≤ 36
lightly polluted ≤ 60
moderately polluted ≤ 84
heavily polluted ≤ 120
severely polluted > 120
PM 2.5
[µg/m3]
PM 10
HOUR OPOLSKA ST. ROOF (BEFORE FILTERS)  AIR SUPPLIED TO OFFICES
2000104heavily pollutedgood161excellent
190089heavily pollutedgood131excellent
180080moderately pollutedexcellent121excellent
170079moderately pollutedexcellent111excellent
160068moderately pollutedexcellent111excellent
150060lightly pollutedexcellent101excellent
140056lightly pollutedexcellent81excellent
130045lightly pollutedexcellent81excellent
120047lightly pollutedexcellent81excellent
110045lightly pollutedexcellent91excellent
100049lightly pollutedexcellent91excellent
090042lightly pollutedexcellent81excellent
080050lightly pollutedexcellent101excellent
070074moderately pollutedgood131excellent
060076moderately pollutedgood151excellent
050097heavily pollutedgood161excellent
040086heavily pollutedgood161excellent
030091heavily pollutedgood171excellent
020090heavily pollutedgood161excellent
010095heavily pollutedgood161excellent
0000102heavily pollutedgood151excellent
230093heavily pollutedgood141excellent
220092heavily pollutedgood131excellent
210093heavily pollutedgood131excellent