PM 2.5
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]
HOUR OPOLSKA ST. ROOF (BEFORE FILTERS)  AIR SUPPLIED TO OFFICES
12004excellentexcellent11excellent
11005excellentexcellent11excellent
10006excellentexcellent11excellent
090012excellentexcellent31excellent
080012excellentexcellent41excellent
070014goodexcellent31excellent
060010excellentexcellent21excellent
050010excellentexcellent21excellent
04009excellentexcellent21excellent
030011excellentexcellent21excellent
02007excellentexcellent21excellent
01008excellentexcellent21excellent
00008excellentexcellent21excellent
23009excellentexcellent21excellent
220010excellentexcellent21excellent
21009excellentexcellent21excellent
20008excellentexcellent21excellent
19007excellentexcellent11excellent
18006excellentexcellent11excellent
17005excellentexcellent11excellent
16005excellentexcellent11excellent
15006excellentexcellent11excellent
14006excellentexcellent11excellent
13007excellentexcellent11excellent