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
070015goodexcellent31excellent
060020goodexcellent11excellent
050020goodexcellent11excellent
040021goodexcellent11excellent
030020goodexcellent21excellent
020013goodexcellent21excellent
010011excellentexcellent11excellent
00009excellentexcellent11excellent
23006excellentexcellent11excellent
22006excellentexcellent11excellent
21003excellentexcellent11excellent
20004excellentexcellent11excellent
19002excellentexcellent11excellent
18002excellentexcellent11excellent
170013goodexcellent11excellent
160010excellentexcellent21excellent
150048lightly pollutedexcellent11excellent
14006excellentexcellent11excellent
13007excellentexcellent11excellent
12007excellentexcellent11excellent
11009excellentexcellent11excellent
10008excellentexcellent21excellent
090011excellentexcellent21excellent
080014goodexcellent31excellent