Kvaliteta zraka u Prijelaz s četiri kuta, Colorado, Ujedinjene države
Onečišćujuće tvari u zraku u Prijelaz s četiri kuta, Ujedinjene države
PM10
Primarna onečišćujuća tvar
0.61 μg/ft3
PM25
0.16 μg/ft3
NO2
1.1 ppb
SO2
0.1 ppb
CO
0.1 ppb
O3
42.8 ppb
Niski rizikVisoki rizik
Indeks peludi u Prijelaz s četiri kuta, Ujedinjene države
Stablo
0/5
012345
Korov
0/5
012345
Trava
1/5
012345
Prognoza kvalitete zraka u Prijelaz s četiri kuta, Ujedinjene države
uto, 22. travnja
JutroPodneVečerNoć
Indeks kvalitete zraka
44
38
48
43
Pelud
Stablo
0
0
0
0
Korov
0
0
0
0
Trava
1
1
1
1
PM10
0.72 μg/ft3
0.47 μg/ft3
0.36 μg/ft3
1.32 μg/ft3
PM25
0.22 μg/ft3
0.17 μg/ft3
0.14 μg/ft3
0.17 μg/ft3
NO2
0.8 ppb
0.2 ppb
0.3 ppb
0.9 ppb
SO2
N/A
N/A
0.1 ppb
N/A
CO
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
O3
35.9 ppb
40.7 ppb
51.3 ppb
41.5 ppb
Indeks kvalitete zraka
34
35
41
58
Pelud
Stablo
0
0
0
0
Korov
0
0
0
0
Trava
1
1
1
1
PM10
0.12 μg/ft3
0.47 μg/ft3
0.84 μg/ft3
1.95 μg/ft3
PM25
0.05 μg/ft3
0.08 μg/ft3
0.14 μg/ft3
0.27 μg/ft3
NO2
0.8 ppb
0.5 ppb
0.4 ppb
0.7 ppb
SO2
N/A
N/A
N/A
N/A
CO
0.2 ppb
0.1 ppb
0.1 ppb
0.1 ppb
O3
36.6 ppb
37.5 ppb
44 ppb
43.5 ppb
Indeks kvalitete zraka
35
51
54
38
Pelud
Stablo
0
0
0
0
Korov
0
0
0
0
Trava
1
1
1
1
PM10
0.77 μg/ft3
1.58 μg/ft3
1.73 μg/ft3
0.90 μg/ft3
PM25
0.18 μg/ft3
0.17 μg/ft3
0.21 μg/ft3
0.14 μg/ft3
NO2
1 ppb
0.3 ppb
0.6 ppb
1.1 ppb
SO2
N/A
N/A
N/A
0.1 ppb
CO
0.1 ppb
0.1 ppb
0.2 ppb
0.2 ppb
O3
37.2 ppb
39.5 ppb
43.1 ppb
40.4 ppb