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
15004excellentexcellent11excellent
140074moderately pollutedexcellent11excellent
130087heavily pollutedexcellent11excellent
120087heavily pollutedexcellent11excellent
110047lightly pollutedexcellent11excellent
100025goodexcellent11excellent
090012excellentexcellent21excellent
080018goodexcellent21excellent
07007excellentexcellent21excellent
060018goodexcellent21excellent
050010excellentexcellent21excellent
040011excellentexcellent21excellent
030012excellentexcellent21excellent
020014goodexcellent11excellent
01008excellentexcellent11excellent
00006excellentexcellent11excellent
23006excellentexcellent11excellent
22008excellentexcellent11excellent
21004excellentexcellent11excellent
20002excellentexcellent11excellent
19002excellentexcellent11excellent
180051lightly pollutedexcellent11excellent
170054lightly pollutedexcellent11excellent
1600103heavily pollutedexcellent11excellent