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
130044lightly pollutedexcellent71excellent
120038lightly pollutedexcellent71excellent
110038lightly pollutedexcellent81excellent
100042lightly pollutedexcellent71excellent
090047lightly pollutedexcellent81excellent
080050lightly pollutedexcellent81excellent
070056lightly pollutedexcellent91excellent
060072moderately pollutedexcellent101excellent
050065moderately pollutedexcellent111excellent
040058lightly pollutedexcellent111excellent
030062moderately pollutedexcellent101excellent
020060lightly pollutedexcellent111excellent
010060lightly pollutedexcellent101excellent
000063moderately pollutedexcellent101excellent
230066moderately pollutedexcellent101excellent
220073moderately pollutedexcellent111excellent
210070moderately pollutedexcellent101excellent
200051lightly pollutedexcellent91excellent
190050lightly pollutedexcellent81excellent
180044lightly pollutedexcellent71excellent
170044lightly pollutedexcellent81excellent
160039lightly pollutedexcellent71excellent
150040lightly pollutedexcellent61excellent
140036goodexcellent71excellent