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
000097lightly pollutedexcellent151excellent
2300124moderately pollutedexcellent161excellent
2200135moderately pollutedexcellent171excellent
2100118moderately pollutedexcellent151excellent
2000116moderately pollutedexcellent141excellent
1900123moderately pollutedexcellent141excellent
1800120moderately pollutedexcellent161excellent
1700140moderately pollutedexcellent181excellent
1600126moderately pollutedexcellent181excellent
1500127moderately pollutedexcellent192excellent
1400137moderately pollutedexcellent191excellent
1300128moderately pollutedexcellent161excellent
1200123moderately pollutedexcellent161excellent
1100146heavily pollutedexcellent181excellent
1000146heavily pollutedexcellent161excellent
0900132moderately pollutedexcellent151excellent
0800140moderately pollutedexcellent151excellent
0700136moderately pollutedexcellent151excellent
0600130moderately pollutedexcellent131excellent
0500144heavily pollutedexcellent121excellent
0400130moderately pollutedexcellent131excellent
0300130moderately pollutedexcellent131excellent
0200133moderately pollutedexcellent131excellent
0100117moderately pollutedexcellent121excellent