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
100035goodexcellent61excellent
090042lightly pollutedexcellent71excellent
080049lightly pollutedexcellent81excellent
070047lightly pollutedexcellent81excellent
060044lightly pollutedexcellent81excellent
050054lightly pollutedexcellent101excellent
040053lightly pollutedexcellent91excellent
030065moderately pollutedexcellent111excellent
020081moderately pollutedexcellent121excellent
010075moderately pollutedexcellent111excellent
000073moderately pollutedexcellent101excellent
230074moderately pollutedexcellent111excellent
220073moderately pollutedexcellent101excellent
210077moderately pollutedexcellent111excellent
200076moderately pollutedexcellent121excellent
190069moderately pollutedexcellent111excellent
180068moderately pollutedgood131excellent
170063moderately pollutedexcellent121excellent
160072moderately pollutedgood141excellent
150072moderately pollutedgood141excellent
140064moderately pollutedexcellent121excellent
130069moderately pollutedgood131excellent
120051lightly pollutedgood131excellent
110091heavily pollutedgood181excellent