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
010026goodexcellent41excellent
000022goodexcellent31excellent
230019goodexcellent21excellent
220018goodexcellent21excellent
210011excellentexcellent21excellent
200011excellentexcellent21excellent
19009excellentexcellent11excellent
180010excellentexcellent21excellent
17009excellentexcellent21excellent
16009excellentexcellent21excellent
15008excellentexcellent21excellent
140010excellentexcellent21excellent
13008excellentexcellent21excellent
12009excellentexcellent21excellent
110010excellentexcellent21excellent
100017goodexcellent41excellent
090024goodexcellent51excellent
080032goodexcellent61excellent
070035goodexcellent61excellent
060028goodexcellent51excellent
050030goodexcellent41excellent
040029goodexcellent41excellent
030028goodexcellent41excellent
020030goodexcellent51excellent