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
030038lightly pollutedexcellent61excellent
020041lightly pollutedexcellent61excellent
010047lightly pollutedexcellent61excellent
000056lightly pollutedexcellent51excellent
230058lightly pollutedexcellent51excellent
220072moderately pollutedexcellent61excellent
210040lightly pollutedexcellent51excellent
200027goodexcellent51excellent
190026goodexcellent41excellent
180026goodexcellent41excellent
170020goodexcellent41excellent
160014goodexcellent21excellent
150012excellentexcellent21excellent
140011excellentexcellent21excellent
13009excellentexcellent21excellent
120011excellentexcellent31excellent
110011excellentexcellent31excellent
100017goodexcellent41excellent
090021goodexcellent51excellent
080029goodexcellent51excellent
070034goodexcellent51excellent
060045lightly pollutedexcellent51excellent
050038lightly pollutedexcellent51excellent
040036goodexcellent51excellent