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
200021goodexcellent21excellent
190013goodexcellent21excellent
18008excellentexcellent21excellent
17008excellentexcellent11excellent
16007excellentexcellent11excellent
15007excellentexcellent21excellent
14009excellentexcellent21excellent
13008excellentexcellent21excellent
120010excellentexcellent21excellent
110016goodexcellent31excellent
100016goodexcellent51excellent
090041lightly pollutedexcellent91excellent
080052lightly pollutedexcellent111excellent
070054lightly pollutedexcellent101excellent
060057lightly pollutedexcellent81excellent
050055lightly pollutedexcellent81excellent
040061moderately pollutedexcellent101excellent
030062moderately pollutedexcellent101excellent
020066moderately pollutedexcellent111excellent
010069moderately pollutedgood131excellent
000075moderately pollutedgood131excellent
230069moderately pollutedexcellent121excellent
220067moderately pollutedexcellent111excellent
210064moderately pollutedexcellent101excellent