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
180047lightly pollutedexcellent91excellent
170049lightly pollutedexcellent91excellent
160045lightly pollutedexcellent101excellent
150041lightly pollutedexcellent101excellent
140048lightly pollutedexcellent121excellent
130051lightly pollutedgood131excellent
120053lightly pollutedexcellent121excellent
110048lightly pollutedexcellent121excellent
100045lightly pollutedexcellent111excellent
090052lightly pollutedexcellent111excellent
080045lightly pollutedexcellent101excellent
070046lightly pollutedexcellent81excellent
060044lightly pollutedexcellent81excellent
050048lightly pollutedexcellent91excellent
040047lightly pollutedexcellent91excellent
030045lightly pollutedexcellent81excellent
020038lightly pollutedexcellent71excellent
010034goodexcellent61excellent
000034goodexcellent51excellent
230031goodexcellent51excellent
220031goodexcellent51excellent
210035goodexcellent51excellent
200038lightly pollutedexcellent61excellent
190035goodexcellent51excellent