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
130030goodexcellent71excellent
120035goodexcellent61excellent
110029goodexcellent51excellent
100028goodexcellent51excellent
090026goodexcellent51excellent
080028goodexcellent51excellent
070027goodexcellent51excellent
060025goodexcellent51excellent
050027goodexcellent51excellent
040031goodexcellent51excellent
030030goodexcellent61excellent
020035goodexcellent71excellent
010038lightly pollutedexcellent81excellent
000042lightly pollutedexcellent101excellent
230048lightly pollutedexcellent101excellent
220045lightly pollutedexcellent101excellent
210044lightly pollutedexcellent101excellent
200043lightly pollutedexcellent111excellent
190041lightly pollutedexcellent91excellent
180039lightly pollutedexcellent101excellent
170055lightly pollutedexcellent121excellent
160047lightly pollutedgood131excellent
150051lightly pollutedexcellent121excellent
140053lightly pollutedgood131excellent