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
12006excellentexcellent11excellent
11005excellentexcellent11excellent
10007excellentexcellent21excellent
090010excellentexcellent21excellent
080013goodexcellent21excellent
070010excellentexcellent11excellent
06008excellentexcellent11excellent
05007excellentexcellent11excellent
04008excellentexcellent11excellent
03005excellentexcellent11excellent
02006excellentexcellent11excellent
01006excellentexcellent11excellent
00004excellentexcellent11excellent
23005excellentexcellent11excellent
22004excellentexcellent11excellent
21003excellentexcellent11excellent
20003excellentexcellent11excellent
19003excellentexcellent11excellent
18001excellentexcellent11excellent
17002excellentexcellent11excellent
16002excellentexcellent11excellent
15004excellentexcellent11excellent
14003excellentexcellent11excellent
13005excellentexcellent11excellent