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
05006excellentexcellent11excellent
040012excellentexcellent11excellent
030011excellentexcellent11excellent
020015goodexcellent11excellent
010012excellentexcellent21excellent
000010excellentexcellent21excellent
230011excellentexcellent11excellent
22009excellentexcellent11excellent
21009excellentexcellent11excellent
20007excellentexcellent11excellent
19004excellentexcellent11excellent
18003excellentexcellent11excellent
17003excellentexcellent11excellent
16003excellentexcellent11excellent
15003excellentexcellent11excellent
14003excellentexcellent11excellent
13002excellentexcellent11excellent
12003excellentexcellent11excellent
11003excellentexcellent11excellent
10003excellentexcellent11excellent
09004excellentexcellent11excellent
08007excellentexcellent21excellent
070010excellentexcellent21excellent
060013goodexcellent31excellent