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
120016goodexcellent31excellent
110017goodexcellent31excellent
100021goodexcellent41excellent
090036goodexcellent71excellent
080055lightly pollutedexcellent111excellent
070060lightly pollutedexcellent121excellent
060048lightly pollutedexcellent111excellent
050052lightly pollutedexcellent91excellent
040047lightly pollutedexcellent81excellent
030046lightly pollutedexcellent81excellent
020046lightly pollutedexcellent81excellent
010042lightly pollutedexcellent71excellent
000050lightly pollutedexcellent81excellent
230060lightly pollutedexcellent91excellent
220057lightly pollutedexcellent91excellent
210037lightly pollutedexcellent61excellent
200019goodexcellent31excellent
190017goodexcellent21excellent
180014goodexcellent31excellent
170018goodexcellent31excellent
160017goodexcellent31excellent
150017goodexcellent31excellent
140017goodexcellent31excellent
130016goodexcellent31excellent