Air quality index [µg/m3]:
excellent ≤ 12
good ≤ 36
lightly polluted ≤ 60
moderately polluted ≤ 84
heavily polluted ≤ 120
severely polluted > 120
PM 2.5
[µg/m3]
PM 10
HOUR OPOLSKA ST. ROOF (BEFORE FILTERS)  AIR SUPPLIED TO OFFICES
090025goodexcellent51excellent
080028goodexcellent51excellent
070031goodexcellent61excellent
060031goodexcellent61excellent
050036goodexcellent61excellent
040036goodexcellent71excellent
030047lightly pollutedexcellent111excellent
020068moderately pollutedexcellent121excellent
010058lightly pollutedexcellent91excellent
000057lightly pollutedexcellent111excellent
230061moderately pollutedexcellent101excellent
220070moderately pollutedexcellent91excellent
210059lightly pollutedexcellent91excellent
200061moderately pollutedexcellent101excellent
190063moderately pollutedexcellent81excellent
180073moderately pollutedexcellent101excellent
170078moderately pollutedexcellent111excellent
160084moderately pollutedgood161excellent
150084moderately pollutedgood171excellent
140051lightly pollutedexcellent111excellent
130061moderately pollutedexcellent121excellent
120054lightly pollutedexcellent111excellent
110061moderately pollutedexcellent111excellent
100060lightly pollutedexcellent101excellent