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
08001excellentexcellent11excellent
07001excellentexcellent11excellent
06001excellentexcellent11excellent
05001excellentexcellent11excellent
04001excellentexcellent11excellent
03002excellentexcellent11excellent
02003excellentexcellent11excellent
01004excellentexcellent11excellent
00005excellentexcellent11excellent
23007excellentexcellent11excellent
22008excellentexcellent11excellent
21007excellentexcellent11excellent
20004excellentexcellent11excellent
19004excellentexcellent11excellent
18004excellentexcellent11excellent
17005excellentexcellent11excellent
16005excellentexcellent11excellent
15005excellentexcellent11excellent
14005excellentexcellent11excellent
13005excellentexcellent11excellent
12003excellentexcellent11excellent
11004excellentexcellent11excellent
10003excellentexcellent11excellent
09005excellentexcellent21excellent