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]
PM 10
HOUR OPOLSKA ST. ROOF (BEFORE FILTERS)  AIR SUPPLIED TO OFFICES
070021goodexcellent41excellent
060022goodexcellent41excellent
050021goodexcellent41excellent
040021goodexcellent41excellent
030021goodexcellent41excellent
020022goodexcellent41excellent
010023goodexcellent31excellent
000024goodexcellent41excellent
230023goodexcellent41excellent
220017goodexcellent31excellent
210014goodexcellent21excellent
200013goodexcellent21excellent
190012excellentexcellent21excellent
180039lightly pollutedexcellent21excellent
1700105heavily pollutedexcellent21excellent
160057lightly pollutedexcellent21excellent
150087heavily pollutedexcellent21excellent
140016goodexcellent21excellent
130014goodexcellent21excellent
120019goodexcellent21excellent
110010excellentexcellent11excellent
100057lightly pollutedexcellent21excellent
090010excellentexcellent21excellent
08009excellentexcellent21excellent