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
230014goodexcellent31excellent
220010excellentexcellent21excellent
21009excellentexcellent21excellent
20007excellentexcellent21excellent
19005excellentexcellent11excellent
18004excellentexcellent11excellent
17003excellentexcellent11excellent
16008excellentexcellent21excellent
15009excellentexcellent21excellent
140012excellentexcellent31excellent
130011excellentexcellent31excellent
120016goodexcellent31excellent
110017goodexcellent31excellent
100021goodexcellent41excellent
090036goodexcellent71excellent
080055lightly pollutedexcellent111excellent
070060lightly pollutedexcellent121excellent
060048lightly pollutedexcellent111excellent
050052lightly pollutedexcellent91excellent
040047lightly pollutedexcellent81excellent
030046lightly pollutedexcellent81excellent
020046lightly pollutedexcellent81excellent
010042lightly pollutedexcellent71excellent
000050lightly pollutedexcellent81excellent