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
10003excellentexcellent11excellent
09008excellentexcellent11excellent
08004excellentexcellent11excellent
07004excellentexcellent11excellent
060010excellentexcellent21excellent
05008excellentexcellent11excellent
04005excellentexcellent11excellent
03006excellentexcellent11excellent
02004excellentexcellent11excellent
01005excellentexcellent11excellent
00004excellentexcellent11excellent
23006excellentexcellent11excellent
22003excellentexcellent11excellent
21006excellentexcellent11excellent
20006excellentexcellent11excellent
19005excellentexcellent11excellent
18006excellentexcellent11excellent
17005excellentexcellent11excellent
16003excellentexcellent11excellent
15004excellentexcellent11excellent
140019goodexcellent11excellent
13005excellentexcellent11excellent
12007excellentexcellent11excellent
11007excellentexcellent11excellent