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
020012excellentexcellent11excellent
010015goodexcellent11excellent
00007excellentexcellent11excellent
23005excellentexcellent11excellent
22003excellentexcellent11excellent
21003excellentexcellent11excellent
20002excellentexcellent11excellent
19002excellentexcellent11excellent
18001excellentexcellent11excellent
17001excellentexcellent11excellent
16002excellentexcellent11excellent
15001excellentexcellent11excellent
14001excellentexcellent11excellent
13004excellentexcellent11excellent
12007excellentexcellent11excellent
11008excellentexcellent11excellent
100023goodexcellent11excellent
090013goodexcellent11excellent
080021goodexcellent11excellent
07008excellentexcellent11excellent
06008excellentexcellent11excellent
050010excellentexcellent11excellent
040013goodexcellent11excellent
030012excellentexcellent11excellent