PM 2.5
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]
HOUR OPOLSKA ST. ROOF (BEFORE FILTERS)  AIR SUPPLIED TO OFFICES
010025goodexcellent61excellent
000028goodexcellent51excellent
230022goodexcellent51excellent
220027goodexcellent61excellent
210031goodexcellent71excellent
200041lightly pollutedexcellent81excellent
190039lightly pollutedexcellent81excellent
180043lightly pollutedexcellent101excellent
170044lightly pollutedexcellent81excellent
160041lightly pollutedexcellent81excellent
150040lightly pollutedexcellent81excellent
140049lightly pollutedexcellent91excellent
130047lightly pollutedexcellent81excellent
120045lightly pollutedexcellent91excellent
110050lightly pollutedexcellent91excellent
100054lightly pollutedexcellent91excellent
090058lightly pollutedexcellent101excellent
080075moderately pollutedexcellent111excellent
070072moderately pollutedexcellent111excellent
060068moderately pollutedexcellent101excellent
050057lightly pollutedexcellent101excellent
040060lightly pollutedexcellent101excellent
030057lightly pollutedexcellent91excellent
020051lightly pollutedexcellent91excellent