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
190023goodexcellent41excellent
180016goodexcellent31excellent
170020goodexcellent41excellent
160017goodexcellent41excellent
150016goodexcellent31excellent
140016goodexcellent41excellent
130018goodexcellent41excellent
120020goodexcellent51excellent
110017goodexcellent41excellent
100023goodexcellent61excellent
090053lightly pollutedgood141excellent
080084moderately pollutedgood191excellent
070097heavily pollutedgood191excellent
060066moderately pollutedgood131excellent
050052lightly pollutedexcellent101excellent
040053lightly pollutedexcellent101excellent
030051lightly pollutedexcellent101excellent
020046lightly pollutedexcellent91excellent
010047lightly pollutedexcellent91excellent
000045lightly pollutedexcellent91excellent
230048lightly pollutedexcellent91excellent
220047lightly pollutedexcellent91excellent
210048lightly pollutedexcellent91excellent
200038lightly pollutedexcellent71excellent