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
130052lightly pollutedexcellent11excellent
12002excellentexcellent11excellent
11002excellentexcellent11excellent
100019goodexcellent11excellent
09003excellentexcellent11excellent
08006excellentexcellent11excellent
07008excellentexcellent11excellent
06008excellentexcellent11excellent
05006excellentexcellent11excellent
04007excellentexcellent11excellent
03003excellentexcellent11excellent
02005excellentexcellent11excellent
01006excellentexcellent11excellent
00004excellentexcellent11excellent
23006excellentexcellent11excellent
22003excellentexcellent11excellent
21003excellentexcellent11excellent
20003excellentexcellent11excellent
19003excellentexcellent11excellent
180052lightly pollutedexcellent11excellent
17003excellentexcellent11excellent
16003excellentexcellent11excellent
150070moderately pollutedexcellent11excellent
140052lightly pollutedexcellent11excellent