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
000058lightly pollutedexcellent61excellent
230023goodexcellent51excellent
220024goodexcellent41excellent
210021goodexcellent31excellent
200011excellentexcellent21excellent
19007excellentexcellent21excellent
180018goodexcellent31excellent
170019goodexcellent31excellent
160018goodexcellent31excellent
150010excellentexcellent21excellent
14007excellentexcellent11excellent
13007excellentexcellent11excellent
12008excellentexcellent11excellent
11007excellentexcellent11excellent
10008excellentexcellent11excellent
09009excellentexcellent11excellent
080018goodexcellent11excellent
07007excellentexcellent11excellent
06007excellentexcellent11excellent
05008excellentexcellent11excellent
04009excellentexcellent11excellent
030013goodexcellent11excellent
020012excellentexcellent11excellent
01006excellentexcellent11excellent