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
130013goodexcellent61excellent
120020goodexcellent61excellent
110031goodexcellent81excellent
100037lightly pollutedexcellent81excellent
090055lightly pollutedexcellent101excellent
080054lightly pollutedexcellent101excellent
070060lightly pollutedexcellent91excellent
060064moderately pollutedexcellent81excellent
050054lightly pollutedexcellent91excellent
040049lightly pollutedexcellent81excellent
030050lightly pollutedexcellent91excellent
020050lightly pollutedexcellent81excellent
010051lightly pollutedexcellent91excellent
000050lightly pollutedexcellent81excellent
230046lightly pollutedexcellent81excellent
220037lightly pollutedexcellent71excellent
210033goodexcellent51excellent
200027goodexcellent51excellent
190021goodexcellent41excellent
180020goodexcellent31excellent
170013goodexcellent21excellent
16008excellentexcellent11excellent
15003excellentexcellent11excellent
14005excellentexcellent21excellent