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
14005excellentexcellent11excellent
13003excellentexcellent11excellent
12004excellentexcellent11excellent
11003excellentexcellent11excellent
10003excellentexcellent11excellent
090010excellentexcellent31excellent
080015goodexcellent31excellent
070027goodexcellent41excellent
060024goodexcellent41excellent
050020goodexcellent31excellent
040019goodexcellent31excellent
030019goodexcellent31excellent
020016goodexcellent31excellent
010014goodexcellent31excellent
000015goodexcellent31excellent
230011excellentexcellent21excellent
22009excellentexcellent21excellent
210010excellentexcellent11excellent
20005excellentexcellent11excellent
19002excellentexcellent11excellent
18002excellentexcellent11excellent
17001excellentexcellent11excellent
160015goodexcellent11excellent
15001excellentexcellent11excellent