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
12007excellentexcellent21excellent
110012excellentexcellent21excellent
100013goodexcellent31excellent
090018goodexcellent31excellent
080011excellentexcellent21excellent
070011excellentexcellent11excellent
06007excellentexcellent11excellent
05007excellentexcellent11excellent
04005excellentexcellent11excellent
03003excellentexcellent11excellent
02003excellentexcellent11excellent
01005excellentexcellent11excellent
00008excellentexcellent11excellent
23006excellentexcellent11excellent
220012excellentexcellent21excellent
210016goodexcellent21excellent
200014goodexcellent21excellent
190014goodexcellent21excellent
18008excellentexcellent21excellent
17006excellentexcellent11excellent
16006excellentexcellent11excellent
15004excellentexcellent11excellent
14003excellentexcellent11excellent
13004excellentexcellent11excellent