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
08002excellentexcellent11excellent
07005excellentexcellent11excellent
06005excellentexcellent11excellent
05005excellentexcellent11excellent
04004excellentexcellent11excellent
03004excellentexcellent11excellent
02004excellentexcellent11excellent
01005excellentexcellent11excellent
00005excellentexcellent11excellent
23005excellentexcellent11excellent
22005excellentexcellent11excellent
21003excellentexcellent11excellent
20003excellentexcellent11excellent
19005excellentexcellent11excellent
18004excellentexcellent11excellent
17001excellentexcellent11excellent
16001excellentexcellent11excellent
15001excellentexcellent11excellent
14002excellentexcellent11excellent
13002excellentexcellent11excellent
12002excellentexcellent11excellent
11001excellentexcellent11excellent
10002excellentexcellent11excellent
09003excellentexcellent11excellent