Air quality index [µg/m3]:
excellent ≤ 20
good ≤ 60
lightly polluted ≤ 100
moderately polluted ≤ 140
heavily polluted ≤ 200
severely polluted > 200
PM 2.5
[µg/m3]
PM 10
HOUR OPOLSKA ST. ROOF (BEFORE FILTERS)  AIR SUPPLIED TO OFFICES
18008excellentexcellent11excellent
17008excellentexcellent11excellent
160013excellentexcellent11excellent
150080lightly pollutedexcellent11excellent
140013excellentexcellent11excellent
130015excellentexcellent11excellent
120011excellentexcellent11excellent
110024goodexcellent11excellent
10005excellentexcellent11excellent
0900107moderately pollutedexcellent11excellent
08004excellentexcellent11excellent
07008excellentexcellent11excellent
060010excellentexcellent11excellent
05009excellentexcellent11excellent
04009excellentexcellent11excellent
03006excellentexcellent11excellent
02005excellentexcellent11excellent
01005excellentexcellent11excellent
00005excellentexcellent11excellent
23006excellentexcellent11excellent
22007excellentexcellent21excellent
210013excellentexcellent21excellent
200011excellentexcellent11excellent
19008excellentexcellent11excellent