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Luftkvalitet i Portlås, Virginia, forente stater
Forurensende stoffer i Portlås, forente stater
PM10
0.53 μg/ft3
PM25
Primær forurensningsstoff
0.36 μg/ft3
NO2
9.5 ppb
SO2
0.5 ppb
CO
0.31 ppb
O3
27.19 ppb
Lav risikoHøy risiko
Pollenindeks i Portlås, forente stater
Tre
1/5
012345
Ugress
0/5
012345
Gress
1/5
012345
Luftkvalitetsvarsel i Portlås, forente stater
tor. 23. mai
MorgenMiddagstidKveldNatt
Neste dag
Neste dag
Luftkvalitetindeks34
24
33
37
Neste dag
PollenTre
5
4
5
5
Ugress
0
0
0
0
Gress
3
1
3
4
Neste dag
PM10
0.12 μg/ft3
0.11 μg/ft3
0.07 μg/ft3
0.09 μg/ft3
PM25
0.08 μg/ft3
0.08 μg/ft3
0.05 μg/ft3
0.06 μg/ft3
NO2
1.69 ppb
0.94 ppb
0.28 ppb
0.42 ppb
SO2
0.05 ppb
0.05 ppb
0.03 ppb
0.02 ppb
CO
0.16 ppb
0.15 ppb
0.13 ppb
0.13 ppb
O3
30.77 ppb
25.89 ppb
39.7 ppb
39.19 ppb
Luftkvalitetindeks
24
33
37
41
Pollen
Tre
4
5
5
5
Ugress
0
0
0
0
Gress
1
3
4
5
PM10
0.11 μg/ft3
0.07 μg/ft3
0.09 μg/ft3
0.23 μg/ft3
PM25
0.08 μg/ft3
0.05 μg/ft3
0.06 μg/ft3
0.16 μg/ft3
NO2
0.94 ppb
0.28 ppb
0.42 ppb
0.57 ppb
SO2
0.05 ppb
0.03 ppb
0.02 ppb
0.15 ppb
CO
0.15 ppb
0.13 ppb
0.13 ppb
0.14 ppb
O3
25.89 ppb
39.7 ppb
39.19 ppb
49.5 ppb