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
230021goodexcellent21excellent
220026goodexcellent21excellent
210010excellentexcellent11excellent
20007excellentexcellent11excellent
19006excellentexcellent11excellent
18006excellentexcellent11excellent
17007excellentexcellent11excellent
160010excellentexcellent11excellent
15007excellentexcellent11excellent
14006excellentexcellent11excellent
13006excellentexcellent11excellent
12006excellentexcellent11excellent
11007excellentexcellent21excellent
100010excellentexcellent21excellent
090017goodexcellent41excellent
080028goodexcellent71excellent
070043lightly pollutedexcellent81excellent
060045lightly pollutedexcellent81excellent
050051lightly pollutedexcellent71excellent
040048lightly pollutedexcellent61excellent
030044lightly pollutedexcellent81excellent
020045lightly pollutedexcellent91excellent
010046lightly pollutedexcellent91excellent
000043lightly pollutedexcellent81excellent