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
220027goodexcellent31excellent
210029goodexcellent61excellent
200034goodexcellent91excellent
190040lightly pollutedexcellent61excellent
180037lightly pollutedexcellent71excellent
170039lightly pollutedexcellent71excellent
160034goodexcellent71excellent
150037lightly pollutedexcellent81excellent
140040lightly pollutedexcellent91excellent
130051lightly pollutedexcellent101excellent
120050lightly pollutedexcellent121excellent
110054lightly pollutedexcellent121excellent
100054lightly pollutedexcellent121excellent
090054lightly pollutedexcellent101excellent
080058lightly pollutedgood131excellent
070063moderately pollutedexcellent121excellent
060067moderately pollutedgood131excellent
050070moderately pollutedgood141excellent
040068moderately pollutedgood131excellent
030067moderately pollutedgood131excellent
020067moderately pollutedexcellent121excellent
010070moderately pollutedgood131excellent
0000101heavily pollutedgood151excellent
230085heavily pollutedgood141excellent