Air quality index [µg/m3]:
excellent ≤ 20
good ≤ 60
lightly polluted ≤ 100
moderately polluted ≤ 140
heavily polluted ≤ 200
severely polluted > 200
PM 2.5
[µg/m3]
PM 10
HOUR OPOLSKA ST. ROOF (BEFORE FILTERS)  AIR SUPPLIED TO OFFICES
0100300severely pollutedexcellent11excellent
0000300severely pollutedexcellent11excellent
2300300severely pollutedexcellent11excellent
2200300severely pollutedexcellent11excellent
2100300severely pollutedexcellent11excellent
2000300severely pollutedexcellent11excellent
1900300severely pollutedexcellent11excellent
1800300severely pollutedexcellent11excellent
1700300severely pollutedexcellent11excellent
1600300severely pollutedexcellent11excellent
1500300severely pollutedexcellent11excellent
1400300severely pollutedexcellent11excellent
1300300severely pollutedexcellent11excellent
1200300severely pollutedexcellent11excellent
1100300severely pollutedexcellent11excellent
1000300severely pollutedexcellent11excellent
0900300severely pollutedexcellent11excellent
0800300severely pollutedexcellent11excellent
0700300severely pollutedexcellent11excellent
0600300severely pollutedexcellent11excellent
0500300severely pollutedexcellent21excellent
0400300severely pollutedexcellent11excellent
0300300severely pollutedexcellent11excellent
0200300severely pollutedexcellent11excellent