Air quality index [µg/m3]:
excellent ≤ 20
good ≤ 60
lightly polluted ≤ 100
moderately polluted ≤ 140
heavily polluted ≤ 200
severely polluted > 200
PM 2.5
[µg/m3]
PM 10
HOUR OPOLSKA ST. ROOF (BEFORE FILTERS)  AIR SUPPLIED TO OFFICES
210090lightly pollutedexcellent161excellent
200092lightly pollutedexcellent161excellent
190077lightly pollutedexcellent151excellent
180079lightly pollutedexcellent151excellent
170086lightly pollutedexcellent161excellent
1600102moderately pollutedexcellent191excellent
150084lightly pollutedexcellent151excellent
140087lightly pollutedexcellent171excellent
1300101moderately pollutedexcellent181excellent
120080lightly pollutedexcellent161excellent
110086lightly pollutedexcellent131excellent
100074lightly pollutedexcellent91excellent
090070lightly pollutedexcellent81excellent
080074lightly pollutedexcellent91excellent
070093lightly pollutedexcellent131excellent
060075lightly pollutedexcellent91excellent
050070lightly pollutedexcellent101excellent
040059goodexcellent81excellent
030046goodexcellent71excellent
020046goodexcellent61excellent
010042goodexcellent51excellent
000039goodexcellent51excellent
230032goodexcellent51excellent
220037goodexcellent51excellent