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
220017goodexcellent21excellent
210016goodexcellent31excellent
200022goodexcellent21excellent
190014goodexcellent21excellent
180038lightly pollutedexcellent21excellent
170019goodexcellent21excellent
160012excellentexcellent21excellent
150011excellentexcellent21excellent
14008excellentexcellent21excellent
13008excellentexcellent11excellent
12007excellentexcellent11excellent
11009excellentexcellent11excellent
10007excellentexcellent11excellent
090014goodexcellent21excellent
08009excellentexcellent11excellent
07009excellentexcellent11excellent
06008excellentexcellent11excellent
05006excellentexcellent11excellent
04006excellentexcellent11excellent
03006excellentexcellent11excellent
020013goodexcellent31excellent
010015goodexcellent21excellent
000010excellentexcellent21excellent
230016goodexcellent31excellent