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
160033goodexcellent41excellent
150036goodexcellent41excellent
140037goodexcellent61excellent
130040goodexcellent61excellent
120045goodexcellent61excellent
110060goodexcellent91excellent
100067lightly pollutedexcellent81excellent
090089lightly pollutedexcellent101excellent
080072lightly pollutedexcellent91excellent
070089lightly pollutedexcellent121excellent
060097lightly pollutedexcellent161excellent
0500129moderately pollutedexcellent161excellent
0400139moderately pollutedexcellent121excellent
0300141heavily pollutedexcellent121excellent
0200164heavily pollutedexcellent131excellent
0100164heavily pollutedexcellent121excellent
0000216severely pollutedexcellent121excellent
2300173heavily pollutedexcellent121excellent
2200140moderately pollutedexcellent161excellent
2100124moderately pollutedexcellent151excellent
2000116moderately pollutedexcellent131excellent
1900101moderately pollutedexcellent111excellent
180075lightly pollutedexcellent101excellent
170066lightly pollutedexcellent81excellent