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
040052lightly pollutedexcellent71excellent
030051lightly pollutedexcellent71excellent
020050lightly pollutedexcellent81excellent
010055lightly pollutedexcellent71excellent
000052lightly pollutedexcellent91excellent
230054lightly pollutedexcellent101excellent
220050lightly pollutedexcellent81excellent
210041lightly pollutedexcellent61excellent
200034goodexcellent61excellent
190025goodexcellent41excellent
180021goodexcellent31excellent
170020goodexcellent41excellent
160027goodexcellent61excellent
150026goodexcellent51excellent
140024goodexcellent51excellent
130038lightly pollutedexcellent71excellent
120051lightly pollutedexcellent81excellent
110046lightly pollutedexcellent91excellent
100053lightly pollutedexcellent101excellent
090069moderately pollutedgood131excellent
080084moderately pollutedexcellent101excellent
070074moderately pollutedexcellent51excellent
060069moderately pollutedexcellent81excellent
050073moderately pollutedgood131excellent