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Luftkvalitet i Ashburn Hills, Virginia, forente stater
Forurensende stoffer i Ashburn Hills, forente stater
PM10
0.43 μg/ft3
PM25
0.15 μg/ft3
NO2
4.2 ppb
SO2
1.3 ppb
CO
0.2 ppb
O3
Primær forurensningsstoff
43.2 ppb
Lav risikoHøy risiko
Pollenindeks i Ashburn Hills, forente stater
Tre
5/5
012345
Ugress
0/5
012345
Gress
0/5
012345
Luftkvalitetsvarsel i Ashburn Hills, forente stater
man. 21. april
MorgenMiddagstidKveldNatt
Neste dag
Neste dag
Luftkvalitetindeks42
38
47
58
Neste dag
PollenTre
5
5
5
5
Ugress
0
0
0
0
Gress
0
0
0
0
Neste dag
PM10
0.43 μg/ft3
0.16 μg/ft3
0.10 μg/ft3
0.15 μg/ft3
PM25
0.18 μg/ft3
0.16 μg/ft3
0.09 μg/ft3
0.12 μg/ft3
NO2
4.3 ppb
3.5 ppb
2.1 ppb
3.3 ppb
SO2
1.4 ppb
2.7 ppb
1.6 ppb
1 ppb
CO
0.2 ppb
0.2 ppb
0.1 ppb
0.2 ppb
O3
45 ppb
40.4 ppb
50.3 ppb
64.9 ppb
Luftkvalitetindeks
38
47
58
46
Pollen
Tre
5
5
5
5
Ugress
0
0
0
0
Gress
0
0
0
0
PM10
0.16 μg/ft3
0.10 μg/ft3
0.15 μg/ft3
0.23 μg/ft3
PM25
0.16 μg/ft3
0.09 μg/ft3
0.12 μg/ft3
0.21 μg/ft3
NO2
3.5 ppb
2.1 ppb
3.3 ppb
4.1 ppb
SO2
2.7 ppb
1.6 ppb
1 ppb
0.8 ppb
CO
0.2 ppb
0.1 ppb
0.2 ppb
0.2 ppb
O3
40.4 ppb
50.3 ppb
64.9 ppb
49.1 ppb
Luftkvalitetindeks
50
51
54
45
Pollen
Tre
5
5
5
5
Ugress
0
0
0
0
Gress
0
0
0
0
PM10
0.26 μg/ft3
0.17 μg/ft3
0.19 μg/ft3
0.17 μg/ft3
PM25
0.25 μg/ft3
0.13 μg/ft3
0.10 μg/ft3
0.11 μg/ft3
NO2
4.5 ppb
0.8 ppb
1.1 ppb
2.3 ppb
SO2
1 ppb
0.5 ppb
0.2 ppb
0.4 ppb
CO
0.2 ppb
0.1 ppb
0.1 ppb
0.1 ppb
O3
35.6 ppb
55 ppb
58.6 ppb
48.5 ppb
Luftkvalitetindeks
45
49
55
0
Pollen
Tre
5
5
5
-
Ikke tilgjengelig
Ugress
0
0
0
-
Ikke tilgjengelig
Gress
0
0
0
-
Ikke tilgjengelig
PM10
0.31 μg/ft3
0.35 μg/ft3
0.25 μg/ft3
N/A
PM25
0.23 μg/ft3
0.25 μg/ft3
0.20 μg/ft3
N/A
NO2
3.8 ppb
0.9 ppb
1.7 ppb
N/A
SO2
0.8 ppb
0.6 ppb
0.4 ppb
N/A
CO
0.2 ppb
0.1 ppb
0.2 ppb
N/A
O3
34.9 ppb
48.8 ppb
59.9 ppb
N/A