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
140014goodexcellent11excellent
130011excellentexcellent11excellent
120012excellentexcellent11excellent
11009excellentexcellent11excellent
100012excellentexcellent11excellent
090011excellentexcellent11excellent
080012excellentexcellent11excellent
070012excellentexcellent11excellent
060015goodexcellent11excellent
050022goodexcellent11excellent
040024goodexcellent11excellent
030027goodexcellent11excellent
020029goodexcellent21excellent
010045lightly pollutedexcellent21excellent
000052lightly pollutedexcellent21excellent
230044lightly pollutedexcellent21excellent
220039lightly pollutedexcellent21excellent
210037lightly pollutedexcellent21excellent
200036goodexcellent21excellent
190033goodexcellent11excellent
180036goodexcellent11excellent
170038lightly pollutedexcellent21excellent
160056lightly pollutedexcellent21excellent
150049lightly pollutedexcellent21excellent