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
10003excellentexcellent11excellent
09004excellentexcellent11excellent
08007excellentexcellent21excellent
070010excellentexcellent21excellent
060013goodexcellent31excellent
050022goodexcellent21excellent
040020goodexcellent21excellent
030015goodexcellent21excellent
020018goodexcellent21excellent
010017goodexcellent21excellent
000022goodexcellent21excellent
230023goodexcellent21excellent
220022goodexcellent11excellent
21007excellentexcellent11excellent
20003excellentexcellent11excellent
19002excellentexcellent11excellent
18002excellentexcellent11excellent
17002excellentexcellent11excellent
16002excellentexcellent11excellent
15002excellentexcellent11excellent
14002excellentexcellent11excellent
13003excellentexcellent11excellent
12003excellentexcellent11excellent
11005excellentexcellent11excellent