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
080049lightly pollutedexcellent61excellent
070047lightly pollutedexcellent71excellent
060034goodexcellent51excellent
050034goodexcellent51excellent
040038lightly pollutedexcellent41excellent
030041lightly pollutedexcellent51excellent
020045lightly pollutedexcellent61excellent
010045lightly pollutedexcellent81excellent
000047lightly pollutedexcellent81excellent
230053lightly pollutedexcellent101excellent
220060lightly pollutedexcellent101excellent
210062moderately pollutedexcellent91excellent
200093heavily pollutedexcellent91excellent
190049lightly pollutedexcellent91excellent
180046lightly pollutedexcellent91excellent
170048lightly pollutedexcellent81excellent
160046lightly pollutedexcellent81excellent
150044lightly pollutedexcellent81excellent
140039lightly pollutedexcellent71excellent
130034goodexcellent61excellent
120031goodexcellent61excellent
110032goodexcellent61excellent
100034goodexcellent61excellent
090032goodexcellent51excellent