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
060073moderately pollutedgood131excellent
050074moderately pollutedgood131excellent
040079moderately pollutedgood141excellent
030080moderately pollutedgood141excellent
020075moderately pollutedgood141excellent
010065moderately pollutedexcellent121excellent
000061moderately pollutedexcellent111excellent
230082moderately pollutedgood131excellent
220099heavily pollutedgood161excellent
210090heavily pollutedgood151excellent
200084moderately pollutedgood141excellent
190081moderately pollutedgood131excellent
180069moderately pollutedexcellent121excellent
170056lightly pollutedexcellent101excellent
160053lightly pollutedexcellent91excellent
150034goodexcellent71excellent
140031goodexcellent71excellent
130038lightly pollutedexcellent81excellent
120045lightly pollutedexcellent101excellent
110053lightly pollutedexcellent121excellent
100051lightly pollutedexcellent121excellent
090055lightly pollutedexcellent121excellent
080052lightly pollutedexcellent111excellent
070056lightly pollutedexcellent121excellent