Air quality index [µg/m3]:
excellent ≤ 20
good ≤ 60
lightly polluted ≤ 100
moderately polluted ≤ 140
heavily polluted ≤ 200
severely polluted > 200
PM 2.5
[µg/m3]
PM 10
HOUR OPOLSKA ST. ROOF (BEFORE FILTERS)  AIR SUPPLIED TO OFFICES
060095lightly pollutedexcellent151excellent
0500149heavily pollutedexcellent171excellent
0400119moderately pollutedexcellent161excellent
0300107moderately pollutedexcellent171excellent
0200111moderately pollutedexcellent191excellent
0100117moderately pollutedexcellent201excellent
0000126moderately pollutedexcellent201excellent
2300135moderately pollutedexcellent191excellent
2200137moderately pollutedgood211excellent
2100131moderately pollutedexcellent201excellent
2000122moderately pollutedexcellent191excellent
190099lightly pollutedexcellent181excellent
180087lightly pollutedexcellent201excellent
1700100lightly pollutedexcellent191excellent
1600112moderately pollutedexcellent191excellent
1500112moderately pollutedexcellent201excellent
1400110moderately pollutedexcellent191excellent
1300111moderately pollutedexcellent201excellent
1200111moderately pollutedexcellent201excellent
1100132moderately pollutedexcellent181excellent
1000101moderately pollutedexcellent161excellent
0900130moderately pollutedexcellent171excellent
0800119moderately pollutedexcellent161excellent
0700126moderately pollutedexcellent161excellent