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
16002excellentexcellent11excellent
15001excellentexcellent11excellent
140021goodexcellent41excellent
130040lightly pollutedexcellent61excellent
120043lightly pollutedexcellent71excellent
110042lightly pollutedexcellent81excellent
100047lightly pollutedexcellent81excellent
090053lightly pollutedexcellent81excellent
080056lightly pollutedexcellent81excellent
070051lightly pollutedexcellent81excellent
060051lightly pollutedexcellent71excellent
050047lightly pollutedexcellent71excellent
040046lightly pollutedexcellent71excellent
030047lightly pollutedexcellent61excellent
020042lightly pollutedexcellent61excellent
010041lightly pollutedexcellent51excellent
000038lightly pollutedexcellent61excellent
230042lightly pollutedexcellent61excellent
220044lightly pollutedexcellent61excellent
210047lightly pollutedexcellent71excellent
200050lightly pollutedexcellent71excellent
190051lightly pollutedexcellent61excellent
180052lightly pollutedexcellent91excellent
170046lightly pollutedexcellent91excellent