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
06008excellentexcellent11excellent
050010excellentexcellent11excellent
040011excellentexcellent11excellent
03006excellentexcellent21excellent
020016goodexcellent21excellent
010019goodexcellent31excellent
000022goodexcellent31excellent
230021goodexcellent31excellent
220025goodexcellent21excellent
210017goodexcellent21excellent
200016goodexcellent21excellent
190010excellentexcellent11excellent
18005excellentexcellent11excellent
17005excellentexcellent11excellent
16003excellentexcellent11excellent
15001excellentexcellent11excellent
140021goodexcellent41excellent
130040lightly pollutedexcellent61excellent
120043lightly pollutedexcellent71excellent
110042lightly pollutedexcellent81excellent
100047lightly pollutedexcellent81excellent
090053lightly pollutedexcellent81excellent
080056lightly pollutedexcellent81excellent
070051lightly pollutedexcellent81excellent