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
17002excellentexcellent11excellent
16002excellentexcellent11excellent
15004excellentexcellent11excellent
14003excellentexcellent11excellent
13005excellentexcellent11excellent
120031goodexcellent11excellent
11002excellentexcellent11excellent
10006excellentexcellent11excellent
090012excellentexcellent41excellent
080034goodexcellent81excellent
070033goodexcellent61excellent
060029goodexcellent51excellent
050033goodexcellent41excellent
040042lightly pollutedexcellent51excellent
030041lightly pollutedexcellent51excellent
020044lightly pollutedexcellent51excellent
010040lightly pollutedexcellent51excellent
000035goodexcellent41excellent
230022goodexcellent41excellent
220020goodexcellent41excellent
210020goodexcellent31excellent
200014goodexcellent21excellent
190018goodexcellent41excellent
180014goodexcellent21excellent