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
16008excellentexcellent21excellent
150010excellentexcellent31excellent
14009excellentexcellent21excellent
13009excellentexcellent21excellent
12006excellentexcellent11excellent
11007excellentexcellent11excellent
10005excellentexcellent21excellent
090022goodexcellent41excellent
080013goodexcellent21excellent
070013goodexcellent21excellent
060015goodexcellent31excellent
050010excellentexcellent21excellent
040011excellentexcellent21excellent
03009excellentexcellent11excellent
02005excellentexcellent11excellent
01006excellentexcellent11excellent
00007excellentexcellent11excellent
230011excellentexcellent21excellent
220016goodexcellent31excellent
210016goodexcellent31excellent
200014goodexcellent31excellent
190014goodexcellent31excellent
180013goodexcellent31excellent
170017goodexcellent31excellent