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
11003excellentexcellent11excellent
10006excellentexcellent11excellent
090012excellentexcellent41excellent
080034goodexcellent81excellent
070033goodexcellent61excellent
060029goodexcellent51excellent
050033goodexcellent41excellent
040042lightly pollutedexcellent51excellent
030041lightly pollutedexcellent51excellent
020044lightly pollutedexcellent51excellent
010040lightly pollutedexcellent51excellent
000035goodexcellent41excellent
230022goodexcellent41excellent
220020goodexcellent41excellent
210020goodexcellent31excellent
200014goodexcellent21excellent
190018goodexcellent41excellent
180014goodexcellent21excellent
170014goodexcellent31excellent
160015goodexcellent21excellent
15008excellentexcellent11excellent
14008excellentexcellent21excellent
13009excellentexcellent21excellent
120010excellentexcellent21excellent