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Kvaliteta zraka u Pregrada, Washington, Ujedinjene države
Onečišćujuće tvari u zraku u Pregrada, Ujedinjene države
PM10
0.04 μg/ft3
PM25
0.03 μg/ft3
NO2
3.69 ppb
SO2
0.13 ppb
CO
0.19 ppb
O3
Primarna onečišćujuća tvar
17.38 ppb
Niski rizikVisoki rizik
Indeks peludi u Pregrada, Ujedinjene države
Stablo
4/5
012345
Korov
0/5
012345
Trava
3/5
012345
Prognoza kvalitete zraka u Pregrada, Ujedinjene države
sub, 11. svibnja
JutroPodneVečerNoć
Indeks kvalitete zraka
23
32
39
35
Pelud
Stablo
4
2
2
2
Korov
0
0
0
0
Trava
4
5
5
5
PM10
0.07 μg/ft3
0.13 μg/ft3
0.17 μg/ft3
0.08 μg/ft3
PM25
0.04 μg/ft3
0.08 μg/ft3
0.11 μg/ft3
0.06 μg/ft3
NO2
1.33 ppb
0.24 ppb
0.4 ppb
1.1 ppb
SO2
0.16 ppb
0.11 ppb
0.12 ppb
0.11 ppb
CO
0.11 ppb
0.1 ppb
0.1 ppb
0.11 ppb
O3
22.66 ppb
38.27 ppb
44.22 ppb
33.52 ppb
Indeks kvalitete zraka
22
36
42
31
Pelud
Stablo
1
1
1
2
Korov
0
0
0
0
Trava
5
5
5
5
PM10
0.05 μg/ft3
0.09 μg/ft3
0.10 μg/ft3
0.09 μg/ft3
PM25
0.04 μg/ft3
0.06 μg/ft3
0.06 μg/ft3
0.06 μg/ft3
NO2
1.28 ppb
0.29 ppb
0.6 ppb
3.1 ppb
SO2
0.14 ppb
0.12 ppb
0.1 ppb
0.14 ppb
CO
0.11 ppb
0.11 ppb
0.11 ppb
0.14 ppb
O3
24.06 ppb
41.83 ppb
45.11 ppb
28.65 ppb