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
15006excellentexcellent11excellent
140011excellentexcellent11excellent
13007excellentexcellent11excellent
12006excellentexcellent11excellent
11006excellentexcellent11excellent
100011excellentexcellent11excellent
09007excellentexcellent21excellent
080013goodexcellent21excellent
070016goodexcellent21excellent
060016goodexcellent21excellent
050012excellentexcellent21excellent
040011excellentexcellent21excellent
030011excellentexcellent21excellent
020012excellentexcellent11excellent
010015goodexcellent11excellent
00007excellentexcellent11excellent
23005excellentexcellent11excellent
22003excellentexcellent11excellent
21003excellentexcellent11excellent
20002excellentexcellent11excellent
19002excellentexcellent11excellent
18001excellentexcellent11excellent
17001excellentexcellent11excellent
16002excellentexcellent11excellent