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
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
220072moderately pollutedexcellent111excellent
210065moderately pollutedexcellent111excellent
200063moderately pollutedexcellent91excellent
190054lightly pollutedexcellent81excellent
180041lightly pollutedexcellent71excellent
170033goodexcellent61excellent
160030goodexcellent61excellent