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
120047lightly pollutedexcellent101excellent
110053lightly pollutedexcellent121excellent
100051lightly pollutedexcellent121excellent
090055lightly pollutedexcellent121excellent
080052lightly pollutedexcellent111excellent
070056lightly pollutedexcellent121excellent
060059lightly pollutedexcellent121excellent
050064moderately pollutedgood131excellent
040065moderately pollutedgood131excellent
030072moderately pollutedgood141excellent
020072moderately pollutedgood141excellent
010077moderately pollutedgood151excellent
000081moderately pollutedgood161excellent
230082moderately pollutedgood171excellent
220082moderately pollutedgood161excellent
210082moderately pollutedgood141excellent
200069moderately pollutedgood131excellent
190085heavily pollutedexcellent121excellent
180054lightly pollutedexcellent101excellent
170044lightly pollutedexcellent91excellent
160046lightly pollutedexcellent91excellent
150032goodexcellent81excellent
140027goodexcellent71excellent
130023goodexcellent61excellent