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
1900122moderately pollutedexcellent121excellent
180091lightly pollutedexcellent121excellent
170089lightly pollutedexcellent131excellent
160081lightly pollutedexcellent111excellent
150087lightly pollutedexcellent121excellent
140081lightly pollutedexcellent111excellent
130059goodexcellent71excellent
120087lightly pollutedexcellent111excellent
1100132moderately pollutedexcellent171excellent
1000142heavily pollutedexcellent171excellent
0900143heavily pollutedexcellent201excellent
0800165heavily pollutedexcellent171excellent
0700153heavily pollutedexcellent171excellent
0600147heavily pollutedexcellent181excellent
0500140moderately pollutedexcellent171excellent
0400145heavily pollutedexcellent142excellent
0300203severely pollutedexcellent151excellent
0200243severely pollutedexcellent171excellent
0100218severely pollutedexcellent161excellent
0000232severely pollutedexcellent191excellent
2300282severely pollutedexcellent191excellent
2200245severely pollutedgood221excellent
2100172heavily pollutedgood291excellent
2000171heavily pollutedgood261excellent