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
130053goodexcellent21excellent
120057goodexcellent31excellent
110065lightly pollutedexcellent31excellent
100039goodexcellent41excellent
090039goodexcellent61excellent
080064lightly pollutedexcellent81excellent
070099lightly pollutedexcellent81excellent
060094lightly pollutedexcellent92excellent
0500106moderately pollutedexcellent42excellent
0400104moderately pollutedexcellent41excellent
0300112moderately pollutedexcellent51excellent
0200136moderately pollutedexcellent61excellent
0100148heavily pollutedexcellent61excellent
0000135moderately pollutedexcellent91excellent
2300142heavily pollutedexcellent71excellent
2200148heavily pollutedexcellent71excellent
210096lightly pollutedexcellent91excellent
2000107moderately pollutedexcellent141excellent
1900128moderately pollutedexcellent122excellent
1800120moderately pollutedgood241excellent
1700118moderately pollutedgood221excellent
1600116moderately pollutedexcellent41excellent
1500110moderately pollutedexcellent51excellent
1400106moderately pollutedexcellent31excellent