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
2100128moderately pollutedgood221excellent
2000130moderately pollutedexcellent201excellent
1900117moderately pollutedexcellent201excellent
1800126moderately pollutedexcellent171excellent
1700105moderately pollutedexcellent181excellent
160097lightly pollutedexcellent161excellent
1500101moderately pollutedexcellent201excellent
1400111moderately pollutedgood221excellent
1300116moderately pollutedgood211excellent
1200107moderately pollutedexcellent201excellent
1100116moderately pollutedexcellent181excellent
1000109moderately pollutedexcellent181excellent
0900103moderately pollutedexcellent171excellent
0800109moderately pollutedexcellent151excellent
0700113moderately pollutedexcellent131excellent
0600114moderately pollutedexcellent171excellent
050091lightly pollutedexcellent141excellent
040098lightly pollutedexcellent151excellent
0300111moderately pollutedexcellent191excellent
020096lightly pollutedexcellent181excellent
0100109moderately pollutedexcellent191excellent
0000107moderately pollutedexcellent201excellent
2300108moderately pollutedgood211excellent
2200102moderately pollutedexcellent181excellent