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 GROUND ROOF (BEFORE FILTERS)  ROOF (AFTER FILTERS)
060026goodexcellent11excellent
050029goodexcellent11excellent
040023goodexcellent11excellent
030031goodexcellent21excellent
020042goodexcellent31excellent
010053goodexcellent41excellent
000078lightly pollutedexcellent81excellent
230084lightly pollutedexcellent91excellent
220063lightly pollutedexcellent81excellent
210073lightly pollutedexcellent101excellent
200084lightly pollutedexcellent131excellent
190056goodexcellent81excellent
180049goodexcellent91excellent
170033goodexcellent51excellent
160012excellentexcellent31excellent
150011excellentexcellent21excellent
140011excellentexcellent21excellent
13008excellentexcellent11excellent
120012excellentexcellent11excellent
110015excellentexcellent31excellent
100030goodexcellent41excellent
090032goodexcellent51excellent
080053goodexcellent61excellent
070084lightly pollutedexcellent51excellent
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