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
000013goodexcellent21excellent
230011excellentexcellent21excellent
220010excellentexcellent21excellent
21008excellentexcellent11excellent
20007excellentexcellent11excellent
19007excellentexcellent11excellent
18006excellentexcellent11excellent
17008excellentexcellent11excellent
160010excellentexcellent11excellent
15009excellentexcellent11excellent
14009excellentexcellent21excellent
130011excellentexcellent21excellent
120010excellentexcellent21excellent
11009excellentexcellent21excellent
100010excellentexcellent21excellent
090012excellentexcellent31excellent
080016goodexcellent31excellent
070017goodexcellent31excellent
060016goodexcellent31excellent
050014goodexcellent21excellent
040011excellentexcellent21excellent
030010excellentexcellent21excellent
020011excellentexcellent21excellent
010015goodexcellent31excellent