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
100033goodexcellent71excellent
090038lightly pollutedexcellent81excellent
080047lightly pollutedexcellent91excellent
070042lightly pollutedexcellent71excellent
060037lightly pollutedexcellent71excellent
050039lightly pollutedexcellent71excellent
040038lightly pollutedexcellent71excellent
030042lightly pollutedexcellent81excellent
020042lightly pollutedexcellent71excellent
010043lightly pollutedexcellent81excellent
000039lightly pollutedexcellent61excellent
230036goodexcellent61excellent
220037lightly pollutedexcellent61excellent
210035goodexcellent51excellent
200029goodexcellent41excellent
190017goodexcellent31excellent
180019goodexcellent31excellent
170017goodexcellent31excellent
160016goodexcellent41excellent
150013goodexcellent31excellent
140014goodexcellent31excellent
130016goodexcellent31excellent
120018goodexcellent31excellent
110019goodexcellent41excellent