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
000048lightly pollutedexcellent51excellent
230045lightly pollutedexcellent41excellent
220045lightly pollutedexcellent51excellent
210096heavily pollutedexcellent101excellent
200099heavily pollutedgood151excellent
190085heavily pollutedgood151excellent
180082moderately pollutedgood161excellent
1700114heavily pollutedgood201excellent
160096heavily pollutedgood181excellent
150096heavily pollutedgood191excellent
140085heavily pollutedgood171excellent
130086heavily pollutedgood181excellent
120091heavily pollutedgood191excellent
110094heavily pollutedgood181excellent
100098heavily pollutedgood161excellent
0900104heavily pollutedgood131excellent
0800102heavily pollutedgood131excellent
070091heavily pollutedgood141excellent
060074moderately pollutedexcellent121excellent
050073moderately pollutedexcellent111excellent
040076moderately pollutedgood131excellent
030082moderately pollutedgood141excellent
020087heavily pollutedgood141excellent
010080moderately pollutedgood131excellent