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
020015goodexcellent21excellent
010015goodexcellent21excellent
000016goodexcellent21excellent
230013goodexcellent21excellent
220018goodexcellent31excellent
210019goodexcellent21excellent
200013goodexcellent21excellent
19005excellentexcellent11excellent
18005excellentexcellent11excellent
17005excellentexcellent11excellent
16009excellentexcellent11excellent
15008excellentexcellent11excellent
14007excellentexcellent11excellent
13006excellentexcellent11excellent
12008excellentexcellent11excellent
11005excellentexcellent11excellent
10005excellentexcellent11excellent
09007excellentexcellent11excellent
08004excellentexcellent11excellent
07003excellentexcellent11excellent
06001excellentexcellent11excellent
05005excellentexcellent11excellent
040011excellentexcellent11excellent
030010excellentexcellent11excellent