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
030038lightly pollutedexcellent81excellent
020037lightly pollutedexcellent91excellent
010045lightly pollutedexcellent101excellent
000041lightly pollutedexcellent121excellent
230051lightly pollutedexcellent111excellent
220041lightly pollutedexcellent101excellent
210045lightly pollutedexcellent101excellent
200053lightly pollutedexcellent111excellent
190059lightly pollutedexcellent121excellent
180066moderately pollutedgood141excellent
170068moderately pollutedgood141excellent
160069moderately pollutedgood141excellent
150069moderately pollutedgood151excellent
140051lightly pollutedexcellent121excellent
130039lightly pollutedexcellent111excellent
120051lightly pollutedexcellent111excellent
110055lightly pollutedexcellent111excellent
100049lightly pollutedexcellent111excellent
090047lightly pollutedexcellent121excellent
080059lightly pollutedexcellent121excellent
070055lightly pollutedexcellent121excellent
060063moderately pollutedgood131excellent
050069moderately pollutedgood141excellent
040065moderately pollutedgood161excellent