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
1700200severely pollutedexcellent21excellent
1600200severely pollutedexcellent11excellent
1500200severely pollutedexcellent21excellent
1400200severely pollutedexcellent31excellent
1300200severely pollutedexcellent41excellent
1200200severely pollutedexcellent41excellent
1100200severely pollutedexcellent31excellent
1000200severely pollutedexcellent41excellent
0900200severely pollutedexcellent61excellent
0800200severely pollutedexcellent61excellent
0700200severely pollutedexcellent51excellent
0600200severely pollutedexcellent61excellent
0500200severely pollutedexcellent41excellent
0400200severely pollutedexcellent51excellent
0300200severely pollutedexcellent51excellent
0200200severely pollutedexcellent51excellent
0100200severely pollutedexcellent51excellent
0000200severely pollutedexcellent51excellent
2300200severely pollutedexcellent51excellent
2200200severely pollutedexcellent41excellent
2100200severely pollutedexcellent31excellent
2000200severely pollutedexcellent31excellent
1900200severely pollutedexcellent31excellent
1800200severely pollutedexcellent31excellent