Steder i nærheten
Knotts Island, Nord-Carolina, forente stater
Ferguson Mobile Home Park, Nord-Carolina, forente stater
Hemsath Mobile Home Park, Nord-Carolina, forente stater
Nærliggende steder
Knotts Island Ruritan Park, forente stater
Mackay Island National Wildlife Refuge, forente stater
Currituck National Wildlife Refuge, forente stater

Luftkvalitet i Knotts Island, Nord-Carolina, forente stater

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Forurensende stoffer i Knotts Island, forente stater

PM10
0.40 μg/ft3
PM25
0.19 μg/ft3
NO2
1.4 ppb
SO2
0.3 ppb
CO
0.1 ppb
O3
Primær forurensningsstoff
23.5 ppb
Lav risikoHøy risiko

Pollenindeks i Knotts Island, forente stater

Tre
1/5
012345
Ugress
0/5
012345
Gress
0/5
012345

Luftkvalitetsvarsel i Knotts Island, forente stater

søn. 6. april
MorgenMiddagstidKveldNatt
Luftkvalitetindeks
52
36
32
30
Pollen

Tre

1
1
1
1

Ugress

0
0
0
0

Gress

0
0
0
0
PM10
0.40 μg/ft3
0.12 μg/ft3
0.08 μg/ft3
0.05 μg/ft3
PM25
0.28 μg/ft3
0.09 μg/ft3
0.07 μg/ft3
0.04 μg/ft3
NO2
0.6 ppb
0.6 ppb
4.7 ppb
3.7 ppb
SO2
0.3 ppb
0.3 ppb
0.2 ppb
0.2 ppb
CO
0.1 ppb
0.1 ppb
0.2 ppb
0.2 ppb
O3
35.8 ppb
38.8 ppb
34.4 ppb
32.2 ppb
Luftkvalitetindeks
26
41
52
48
Pollen

Tre

1
1
1
1

Ugress

0
0
0
0

Gress

0
0
0
0
PM10
0.11 μg/ft3
0.09 μg/ft3
0.11 μg/ft3
0.13 μg/ft3
PM25
0.11 μg/ft3
0.09 μg/ft3
0.10 μg/ft3
0.12 μg/ft3
NO2
4.1 ppb
1.2 ppb
0.8 ppb
1.8 ppb
SO2
1 ppb
1 ppb
0.8 ppb
1.2 ppb
CO
0.2 ppb
0.2 ppb
0.1 ppb
0.1 ppb
O3
28 ppb
44.4 ppb
56.7 ppb
52 ppb
Luftkvalitetindeks
41
42
50
50
Pollen

Tre

1
1
1
1

Ugress

0
0
0
0

Gress

0
0
0
0
PM10
0.11 μg/ft3
0.13 μg/ft3
0.19 μg/ft3
0.20 μg/ft3
PM25
0.10 μg/ft3
0.10 μg/ft3
0.14 μg/ft3
0.14 μg/ft3
NO2
1.7 ppb
0.9 ppb
0.5 ppb
0.7 ppb
SO2
0.9 ppb
0.8 ppb
0.6 ppb
0.5 ppb
CO
0.2 ppb
0.2 ppb
0.1 ppb
0.1 ppb
O3
44.1 ppb
45.3 ppb
53.6 ppb
54 ppb