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
04004excellentexcellent11excellent
03004excellentexcellent11excellent
02004excellentexcellent11excellent
01005excellentexcellent11excellent
00004excellentexcellent11excellent
23007excellentexcellent11excellent
220010excellentexcellent11excellent
21009excellentexcellent11excellent
20008excellentexcellent11excellent
19007excellentexcellent11excellent
18008excellentexcellent11excellent
170010excellentexcellent11excellent
16007excellentexcellent11excellent
15009excellentexcellent11excellent
14006excellentexcellent11excellent
13005excellentexcellent11excellent
12007excellentexcellent11excellent
11006excellentexcellent11excellent
100010excellentexcellent11excellent
090012excellentexcellent21excellent
080022goodexcellent31excellent
070014goodexcellent11excellent
06007excellentexcellent11excellent
05008excellentexcellent11excellent