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]
PM 10
HOUR OPOLSKA ST. ROOF (BEFORE FILTERS)  AIR SUPPLIED TO OFFICES
00004excellentexcellent11excellent
23005excellentexcellent11excellent
22004excellentexcellent11excellent
21003excellentexcellent11excellent
20003excellentexcellent11excellent
19001excellentexcellent11excellent
18001excellentexcellent11excellent
17002excellentexcellent11excellent
16002excellentexcellent11excellent
15002excellentexcellent11excellent
14003excellentexcellent11excellent
13003excellentexcellent11excellent
120035goodexcellent11excellent
110027goodexcellent11excellent
10001excellentexcellent11excellent
09001excellentexcellent11excellent
08001excellentexcellent11excellent
07002excellentexcellent11excellent
06003excellentexcellent11excellent
05002excellentexcellent11excellent
04002excellentexcellent11excellent
03002excellentexcellent11excellent
02005excellentexcellent11excellent
01004excellentexcellent11excellent