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
070080moderately pollutedexcellent61excellent
060072moderately pollutedexcellent61excellent
050065moderately pollutedexcellent61excellent
040061moderately pollutedexcellent61excellent
030061moderately pollutedexcellent61excellent
020055lightly pollutedexcellent51excellent
010055lightly pollutedexcellent41excellent
000061moderately pollutedexcellent41excellent
230048lightly pollutedexcellent41excellent
220045lightly pollutedexcellent41excellent
210052lightly pollutedexcellent41excellent
200055lightly pollutedexcellent31excellent
190051lightly pollutedexcellent21excellent
180048lightly pollutedexcellent21excellent
170048lightly pollutedexcellent31excellent
160048lightly pollutedexcellent51excellent
150042lightly pollutedexcellent41excellent
140035goodexcellent41excellent
130031goodexcellent31excellent
120028goodlightly polluted441excellent
110030goodexcellent11excellent
100029goodexcellent41excellent
090032goodexcellent61excellent
080030goodexcellent61excellent