PM 2.5
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]
HOUR OPOLSKA ST. ROOF (BEFORE FILTERS)  AIR SUPPLIED TO OFFICES
15006excellentexcellent21excellent
14008excellentexcellent21excellent
13009excellentexcellent21excellent
120010excellentexcellent31excellent
110017goodexcellent41excellent
100073moderately pollutedexcellent81excellent
090035goodexcellent71excellent
080031goodexcellent51excellent
070035goodexcellent51excellent
060030goodexcellent41excellent
050033goodexcellent41excellent
040037lightly pollutedexcellent61excellent
030037lightly pollutedexcellent51excellent
020038lightly pollutedexcellent61excellent
010040lightly pollutedexcellent61excellent
000045lightly pollutedexcellent71excellent
230050lightly pollutedexcellent81excellent
220054lightly pollutedexcellent71excellent
210045lightly pollutedexcellent71excellent
200033goodexcellent41excellent
190016goodexcellent31excellent
180010excellentexcellent11excellent
17008excellentexcellent11excellent
16006excellentexcellent11excellent