Air quality index [µg/m3]:
excellent ≤ 20
good ≤ 60
lightly polluted ≤ 100
moderately polluted ≤ 140
heavily polluted ≤ 200
severely polluted > 200
PM 2.5
[µg/m3]
PM 10
HOUR OPOLSKA ST. ROOF (BEFORE FILTERS)  AIR SUPPLIED TO OFFICES
06006excellentexcellent11excellent
050010excellentexcellent21excellent
040013excellentexcellent21excellent
030024goodexcellent31excellent
020022goodexcellent31excellent
010017excellentexcellent21excellent
000015excellentexcellent21excellent
230013excellentexcellent31excellent
220014excellentexcellent21excellent
210017excellentexcellent31excellent
200018excellentexcellent31excellent
190015excellentexcellent21excellent
180010excellentexcellent21excellent
170014excellentexcellent21excellent
16008excellentexcellent21excellent
150012excellentexcellent21excellent
140012excellentexcellent21excellent
130013excellentexcellent21excellent
120014excellentexcellent21excellent
110023goodexcellent41excellent
100026goodexcellent51excellent
090035goodexcellent61excellent
080046goodexcellent71excellent
070049goodexcellent71excellent