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]
PM 10
HOUR OPOLSKA ST. ROOF (BEFORE FILTERS)  AIR SUPPLIED TO OFFICES
010017goodexcellent21excellent
000022goodexcellent21excellent
230023goodexcellent21excellent
220022goodexcellent11excellent
21007excellentexcellent11excellent
20003excellentexcellent11excellent
19002excellentexcellent11excellent
18002excellentexcellent11excellent
17002excellentexcellent11excellent
16002excellentexcellent11excellent
15002excellentexcellent11excellent
14002excellentexcellent11excellent
13003excellentexcellent11excellent
12003excellentexcellent11excellent
11005excellentexcellent11excellent
10006excellentexcellent21excellent
090014goodexcellent31excellent
080017goodexcellent31excellent
070015goodexcellent21excellent
060011excellentexcellent31excellent
050017goodexcellent11excellent
040016goodexcellent21excellent
030025goodexcellent21excellent
020013goodexcellent21excellent