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
070010excellentexcellent31excellent
060013goodexcellent31excellent
050010excellentexcellent21excellent
04008excellentexcellent21excellent
03006excellentexcellent11excellent
020010excellentexcellent21excellent
010011excellentexcellent21excellent
000010excellentexcellent21excellent
23008excellentexcellent11excellent
22006excellentexcellent11excellent
21005excellentexcellent11excellent
20005excellentexcellent11excellent
19005excellentexcellent11excellent
18004excellentexcellent11excellent
17004excellentexcellent11excellent
16004excellentexcellent11excellent
15004excellentexcellent11excellent
14003excellentexcellent11excellent
13002excellentexcellent11excellent
12005excellentexcellent11excellent
11003excellentexcellent11excellent
10004excellentexcellent11excellent
09004excellentexcellent11excellent
08006excellentexcellent21excellent