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
000076moderately pollutedexcellent121excellent
230069moderately pollutedexcellent121excellent
220067moderately pollutedexcellent111excellent
210064moderately pollutedexcellent101excellent
200051lightly pollutedexcellent81excellent
190032goodexcellent61excellent
180031goodexcellent61excellent
170030goodexcellent61excellent
160029goodexcellent61excellent
150028goodexcellent61excellent
140021goodexcellent41excellent
130022goodexcellent51excellent
120036goodexcellent91excellent
110045lightly pollutedexcellent111excellent
100050lightly pollutedexcellent111excellent
090054lightly pollutedexcellent121excellent
080060lightly pollutedgood131excellent
070066moderately pollutedgood141excellent
060071moderately pollutedgood141excellent
050067moderately pollutedgood151excellent
040075moderately pollutedgood151excellent
030049lightly pollutedexcellent121excellent
020040lightly pollutedexcellent111excellent
010039lightly pollutedexcellent101excellent