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
14005excellentexcellent11excellent
13007excellentexcellent11excellent
12009excellentexcellent11excellent
11008excellentexcellent11excellent
100011excellentexcellent21excellent
090016goodexcellent31excellent
080021goodexcellent41excellent
070022goodexcellent41excellent
060023goodexcellent41excellent
050021goodexcellent31excellent
040018goodexcellent31excellent
030018goodexcellent31excellent
020016goodexcellent21excellent
010015goodexcellent21excellent
000016goodexcellent21excellent
230013goodexcellent21excellent
220018goodexcellent31excellent
210019goodexcellent21excellent
200013goodexcellent21excellent
19005excellentexcellent11excellent
18005excellentexcellent11excellent
17005excellentexcellent11excellent
16009excellentexcellent11excellent
15008excellentexcellent11excellent