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
23007excellentexcellent11excellent
22009excellentexcellent21excellent
21006excellentexcellent21excellent
20002excellentexcellent11excellent
19001excellentexcellent11excellent
18001excellentexcellent11excellent
17001excellentexcellent11excellent
16002excellentexcellent11excellent
150011excellentexcellent11excellent
14001excellentexcellent11excellent
13001excellentexcellent11excellent
120031goodexcellent11excellent
11001excellentexcellent11excellent
100026goodexcellent11excellent
09001excellentexcellent11excellent
08002excellentexcellent11excellent
07004excellentexcellent11excellent
06003excellentexcellent11excellent
05004excellentexcellent11excellent
040029goodexcellent11excellent
030014goodexcellent11excellent
02005excellentexcellent11excellent
01005excellentexcellent11excellent
00004excellentexcellent11excellent