Steder i nærheten
Letcher County, Kentucky, forente stater
Is, Kentucky, forente stater
Marlowe, Kentucky, forente stater
Nærliggende steder
Francis Gary Powers Historical Marker, forente stater
Appalachian Regional Hospital Heliport, forente stater
Pine Mountain Aero Heliport, forente stater

Luftkvalitet i Letcher County, Kentucky, forente stater

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Forurensende stoffer i Letcher County, forente stater

PM10
0.12 μg/ft3
PM25
0.13 μg/ft3
NO2
1.78 ppb
SO2
1.63 ppb
CO
0.2 ppb
O3
Primær forurensningsstoff
27.37 ppb
Lav risikoHøy risiko

Pollenindeks i Letcher County, forente stater

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

Luftkvalitetsvarsel i Letcher County, forente stater

fre. 3. januar
MorgenMiddagstidKveldNatt
Luftkvalitetindeks
28
28
32
29
Pollen

Tre

0
0
0
0

Ugress

0
0
0
0

Gress

0
0
0
0
PM10
0.52 μg/ft3
0.15 μg/ft3
0.10 μg/ft3
0.16 μg/ft3
PM25
0.15 μg/ft3
0.67 μg/ft3
0.43 μg/ft3
0.72 μg/ft3
NO2
1.54 ppb
1.1 ppb
2.3 ppb
2.9 ppb
SO2
1.11 ppb
0.7 ppb
0.7 ppb
0.9 ppb
CO
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
O3
30 ppb
27.5 ppb
32.2 ppb
28.6 ppb
Luftkvalitetindeks
42
29
33
39
Pollen

Tre

0
0
0
0

Ugress

0
0
0
0

Gress

0
0
0
0
PM10
0.26 μg/ft3
0.15 μg/ft3
0.15 μg/ft3
0.25 μg/ft3
PM25
1.18 μg/ft3
0.68 μg/ft3
0.65 μg/ft3
1.10 μg/ft3
NO2
3.6 ppb
2.1 ppb
2.9 ppb
4.1 ppb
SO2
1.2 ppb
1.4 ppb
0.7 ppb
0.4 ppb
CO
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
O3
22.6 ppb
29.2 ppb
33.4 ppb
31.7 ppb
Luftkvalitetindeks
45
30
30
31
Pollen

Tre

0
0
0
0

Ugress

0
0
0
0

Gress

0
0
0
0
PM10
0.29 μg/ft3
0.17 μg/ft3
0.05 μg/ft3
0.04 μg/ft3
PM25
1.29 μg/ft3
0.78 μg/ft3
0.24 μg/ft3
0.18 μg/ft3
NO2
3.2 ppb
5.5 ppb
3.7 ppb
2.5 ppb
SO2
0.4 ppb
1.7 ppb
1.3 ppb
0.9 ppb
CO
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
O3
30.4 ppb
29.6 ppb
29.9 ppb
31 ppb