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
19004excellentexcellent11excellent
18006excellentexcellent11excellent
17005excellentexcellent11excellent
16003excellentexcellent11excellent
15004excellentexcellent11excellent
140019goodexcellent11excellent
13005excellentexcellent11excellent
12007excellentexcellent11excellent
11007excellentexcellent11excellent
10006excellentexcellent11excellent
09004excellentexcellent11excellent
08006excellentexcellent11excellent
07006excellentexcellent11excellent
06009excellentexcellent11excellent
05007excellentexcellent11excellent
04008excellentexcellent11excellent
03009excellentexcellent11excellent
020010excellentexcellent11excellent
010010excellentexcellent11excellent
00007excellentexcellent11excellent
23007excellentexcellent11excellent
220010excellentexcellent11excellent
21008excellentexcellent11excellent
20008excellentexcellent11excellent