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
20002excellentexcellent11excellent
19001excellentexcellent11excellent
18001excellentexcellent11excellent
17001excellentexcellent11excellent
16001excellentexcellent11excellent
15001excellentexcellent11excellent
14001excellentexcellent11excellent
13001excellentexcellent11excellent
12001excellentexcellent11excellent
11002excellentexcellent11excellent
10001excellentexcellent11excellent
09002excellentexcellent11excellent
08001excellentexcellent11excellent
07001excellentexcellent11excellent
06001excellentexcellent11excellent
05003excellentexcellent11excellent
04005excellentexcellent11excellent
03006excellentexcellent11excellent
02007excellentexcellent11excellent
01008excellentexcellent11excellent
00009excellentexcellent11excellent
23008excellentexcellent11excellent
22007excellentexcellent11excellent
21006excellentexcellent11excellent