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
230014goodexcellent21excellent
220013goodexcellent11excellent
210011excellentexcellent11excellent
200014goodexcellent11excellent
190013goodexcellent11excellent
180014goodexcellent11excellent
170012excellentexcellent11excellent
160015goodexcellent11excellent
150011excellentexcellent11excellent
140012excellentexcellent11excellent
130011excellentexcellent11excellent
120012excellentexcellent11excellent
11009excellentexcellent11excellent
100012excellentexcellent11excellent
090011excellentexcellent11excellent
080012excellentexcellent11excellent
070012excellentexcellent11excellent
060015goodexcellent11excellent
050022goodexcellent11excellent
040024goodexcellent11excellent
030027goodexcellent11excellent
020029goodexcellent21excellent
010045lightly pollutedexcellent21excellent
000052lightly pollutedexcellent21excellent