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
080055lightly pollutedexcellent11excellent
07009excellentexcellent11excellent
06008excellentexcellent11excellent
050010excellentexcellent11excellent
04009excellentexcellent11excellent
03009excellentexcellent21excellent
020012excellentexcellent21excellent
01009excellentexcellent21excellent
000011excellentexcellent21excellent
23008excellentexcellent11excellent
22008excellentexcellent11excellent
210040lightly pollutedexcellent11excellent
20006excellentexcellent11excellent
19005excellentexcellent11excellent
18004excellentexcellent11excellent
17005excellentexcellent11excellent
16004excellentexcellent11excellent
150017goodexcellent11excellent
14004excellentexcellent11excellent
130011excellentexcellent11excellent
12005excellentexcellent11excellent
110011excellentexcellent11excellent
100054lightly pollutedexcellent11excellent
09008excellentexcellent11excellent