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
000011excellentexcellent11excellent
230012excellentexcellent11excellent
220013goodexcellent21excellent
210016goodexcellent21excellent
200012excellentexcellent11excellent
190013goodexcellent11excellent
180022goodexcellent11excellent
170018goodexcellent11excellent
160023goodexcellent21excellent
150024goodexcellent21excellent
140023goodexcellent21excellent
130025goodexcellent21excellent
120025goodexcellent21excellent
110066moderately pollutedexcellent21excellent
100022goodexcellent31excellent
090019goodexcellent31excellent
080016goodexcellent31excellent
070018goodexcellent31excellent
060020goodexcellent31excellent
050020goodexcellent31excellent
040017goodexcellent31excellent
030016goodexcellent31excellent
020016goodexcellent21excellent
010017goodexcellent21excellent