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
030022goodexcellent11excellent
020023goodexcellent11excellent
010015goodexcellent11excellent
000015goodexcellent11excellent
230017goodexcellent11excellent
220011excellentexcellent11excellent
210010excellentexcellent11excellent
200010excellentexcellent11excellent
19006excellentexcellent11excellent
18003excellentexcellent11excellent
17003excellentexcellent11excellent
16004excellentexcellent11excellent
15002excellentexcellent11excellent
14004excellentexcellent11excellent
13006excellentexcellent11excellent
12005excellentexcellent11excellent
11005excellentexcellent11excellent
10007excellentexcellent11excellent
09004excellentexcellent11excellent
08002excellentexcellent11excellent
07003excellentexcellent11excellent
06004excellentexcellent11excellent
05008excellentexcellent11excellent
040010excellentexcellent11excellent