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
010015goodexcellent11excellent
000013goodexcellent11excellent
230011excellentexcellent11excellent
22009excellentexcellent11excellent
21007excellentexcellent11excellent
20007excellentexcellent11excellent
19007excellentexcellent11excellent
18007excellentexcellent11excellent
17007excellentexcellent11excellent
160011excellentexcellent11excellent
15006excellentexcellent11excellent
14007excellentexcellent11excellent
13009excellentexcellent11excellent
120014goodexcellent21excellent
110016goodexcellent31excellent
100020goodexcellent41excellent
090031goodexcellent61excellent
080041lightly pollutedexcellent61excellent
070040lightly pollutedexcellent31excellent
060032goodexcellent21excellent
050026goodexcellent21excellent
040022goodexcellent21excellent
030022goodexcellent21excellent
020015goodexcellent11excellent