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
03006excellentexcellent11excellent
02004excellentexcellent11excellent
01005excellentexcellent11excellent
00004excellentexcellent11excellent
23006excellentexcellent11excellent
22003excellentexcellent11excellent
21006excellentexcellent11excellent
20006excellentexcellent11excellent
19005excellentexcellent11excellent
18006excellentexcellent11excellent
17005excellentexcellent11excellent
16003excellentexcellent11excellent
15004excellentexcellent11excellent
140019goodexcellent11excellent
13005excellentexcellent11excellent
12007excellentexcellent11excellent
11007excellentexcellent11excellent
10006excellentexcellent11excellent
09004excellentexcellent11excellent
08006excellentexcellent11excellent
07006excellentexcellent11excellent
06009excellentexcellent11excellent
05007excellentexcellent11excellent
04008excellentexcellent11excellent