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
110050goodexcellent31excellent
100054goodexcellent41excellent
090058goodexcellent41excellent
080073lightly pollutedexcellent41excellent
070083lightly pollutedexcellent61excellent
060094lightly pollutedexcellent71excellent
0500121moderately pollutedexcellent81excellent
0400135moderately pollutedexcellent81excellent
0300148heavily pollutedexcellent81excellent
0200193heavily pollutedexcellent71excellent
0100171heavily pollutedexcellent71excellent
0000180heavily pollutedexcellent71excellent
2300179heavily pollutedexcellent71excellent
2200206severely pollutedexcellent71excellent
2100207severely pollutedexcellent81excellent
2000190heavily pollutedexcellent91excellent
1900164heavily pollutedexcellent131excellent
1800153heavily pollutedexcellent171excellent
1700104moderately pollutedexcellent101excellent
160084lightly pollutedexcellent101excellent
150068lightly pollutedexcellent81excellent
140055goodexcellent71excellent
130042goodexcellent61excellent
120044goodexcellent81excellent