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
220032goodexcellent51excellent
210035goodexcellent51excellent
200038lightly pollutedexcellent61excellent
190035goodexcellent51excellent
180030goodexcellent41excellent
170020goodexcellent41excellent
160020goodexcellent41excellent
150020goodexcellent41excellent
140019goodexcellent41excellent
130021goodexcellent41excellent
120025goodexcellent51excellent
110031goodexcellent71excellent
100034goodexcellent61excellent
090046lightly pollutedexcellent81excellent
080037lightly pollutedexcellent71excellent
070048lightly pollutedexcellent91excellent
060051lightly pollutedexcellent101excellent
050064moderately pollutedexcellent101excellent
040066moderately pollutedexcellent91excellent
030069moderately pollutedexcellent91excellent
020080moderately pollutedexcellent91excellent
010083moderately pollutedexcellent101excellent
0000102heavily pollutedexcellent101excellent
230089heavily pollutedexcellent101excellent