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
230073moderately pollutedgood131excellent
220067moderately pollutedexcellent121excellent
210061moderately pollutedexcellent111excellent
200079moderately pollutedgood141excellent
190083moderately pollutedexcellent111excellent
180049lightly pollutedexcellent81excellent
170052lightly pollutedexcellent91excellent
160046lightly pollutedexcellent81excellent
150048lightly pollutedexcellent91excellent
140045lightly pollutedexcellent71excellent
130032goodexcellent61excellent
120047lightly pollutedexcellent81excellent
110072moderately pollutedexcellent121excellent
100078moderately pollutedexcellent121excellent
090078moderately pollutedgood141excellent
080087heavily pollutedexcellent121excellent
070081moderately pollutedexcellent121excellent
060079moderately pollutedexcellent121excellent
050074moderately pollutedexcellent111excellent
040078moderately pollutedexcellent111excellent
030096heavily pollutedexcellent121excellent
0200114heavily pollutedgood131excellent
0100108heavily pollutedgood131excellent
0000115heavily pollutedgood141excellent