PM 2.5
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]
HOUR OPOLSKA ST. ROOF (BEFORE FILTERS)  AIR SUPPLIED TO OFFICES
15001excellentexcellent11excellent
14001excellentexcellent11excellent
130024goodexcellent11excellent
12002excellentexcellent11excellent
11003excellentexcellent11excellent
10003excellentexcellent11excellent
09009excellentexcellent11excellent
08006excellentexcellent11excellent
07009excellentexcellent21excellent
06009excellentexcellent21excellent
05007excellentexcellent21excellent
04008excellentexcellent11excellent
030012excellentexcellent21excellent
02008excellentexcellent21excellent
010010excellentexcellent21excellent
000017goodexcellent21excellent
23007excellentexcellent11excellent
22005excellentexcellent11excellent
21003excellentexcellent11excellent
20002excellentexcellent11excellent
19001excellentexcellent11excellent
18001excellentexcellent11excellent
17002excellentexcellent11excellent
16003excellentexcellent11excellent