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
010061moderately pollutedexcellent101excellent
000063moderately pollutedexcellent101excellent
230066moderately pollutedexcellent101excellent
220073moderately pollutedexcellent111excellent
210070moderately pollutedexcellent101excellent
200051lightly pollutedexcellent91excellent
190050lightly pollutedexcellent81excellent
180044lightly pollutedexcellent71excellent
170044lightly pollutedexcellent81excellent
160039lightly pollutedexcellent71excellent
150040lightly pollutedexcellent61excellent
140036goodexcellent71excellent
130027goodexcellent61excellent
120026goodexcellent61excellent
110030goodexcellent61excellent
100031goodexcellent51excellent
090028goodexcellent51excellent
080028goodexcellent51excellent
070031goodexcellent61excellent
060031goodexcellent61excellent
050036goodexcellent61excellent
040036goodexcellent71excellent
030047lightly pollutedexcellent111excellent
020068moderately pollutedexcellent121excellent