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