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
110016goodexcellent31excellent
100018goodexcellent31excellent
090017goodexcellent41excellent
080031goodexcellent41excellent
070047lightly pollutedexcellent41excellent
060052lightly pollutedexcellent41excellent
050060lightly pollutedexcellent51excellent
040070moderately pollutedexcellent61excellent
030077moderately pollutedexcellent91excellent
020078moderately pollutedexcellent101excellent
010081moderately pollutedexcellent121excellent
000089heavily pollutedgood141excellent
230088heavily pollutedgood131excellent
220090heavily pollutedexcellent111excellent
210090heavily pollutedexcellent81excellent
200086heavily pollutedexcellent71excellent
190071moderately pollutedexcellent71excellent
180061moderately pollutedexcellent61excellent
170058lightly pollutedexcellent101excellent
160057lightly pollutedexcellent121excellent
150049lightly pollutedexcellent101excellent
140042lightly pollutedexcellent101excellent
130051lightly pollutedexcellent121excellent
120062moderately pollutedgood141excellent