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
02004excellentexcellent21excellent
01004excellentexcellent21excellent
00004excellentexcellent21excellent
23004excellentexcellent11excellent
22004excellentexcellent11excellent
21004excellentexcellent11excellent
20004excellentexcellent11excellent
19004excellentexcellent11excellent
18004excellentexcellent11excellent
17005excellentexcellent11excellent
160012excellentexcellent11excellent
150018goodexcellent11excellent
140017goodexcellent11excellent
130022goodexcellent11excellent
12007excellentexcellent11excellent
11007excellentexcellent11excellent
10009excellentexcellent11excellent
09009excellentexcellent21excellent
080013goodexcellent21excellent
070016goodexcellent21excellent
060015goodexcellent21excellent
050013goodexcellent11excellent
040014goodexcellent11excellent
030014goodexcellent11excellent