PM 2.5
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]
HOUR OPOLSKA ST. ROOF (BEFORE FILTERS)  AIR SUPPLIED TO OFFICES
060018goodexcellent31excellent
050016goodexcellent31excellent
040017goodexcellent41excellent
030025goodexcellent51excellent
020018goodexcellent41excellent
010012excellentexcellent21excellent
000012excellentexcellent31excellent
230013goodexcellent31excellent
220015goodexcellent31excellent
21008excellentexcellent21excellent
20009excellentexcellent21excellent
190021goodexcellent21excellent
18009excellentexcellent21excellent
170065moderately pollutedexcellent51excellent
160041lightly pollutedexcellent71excellent
150044lightly pollutedexcellent61excellent
140051lightly pollutedexcellent51excellent
130040lightly pollutedexcellent51excellent
120047lightly pollutedexcellent41excellent
110042lightly pollutedexcellent41excellent
100025goodexcellent51excellent
090031goodexcellent91excellent
080040lightly pollutedexcellent81excellent
070028goodexcellent61excellent