Lokationer i nærheden
Grusfjedre, Virginia, Forenede Stater
Capon Springs, West Virginia, Forenede Stater
Zepp, Virginia, Forenede Stater
Steder i nærheden
Johnnies Knob, Forenede Stater
Bonnet Hill, Forenede Stater
North Mountain Neighborhood Park, Forenede Stater

Luftkvalitet i Johnnies Knob, Forenede Stater

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Forureningskilder i Johnnies Knob, Forenede Stater

PM10
0.18 μg/ft3
PM25
0.09 μg/ft3
NO2
25.3 ppb
SO2
2.4 ppb
CO
0.3 ppb
O3
Primær forureningskilde
38.2 ppb
Lav risikoHøj risiko

Pollenindeks i Johnnies Knob, Forenede Stater

Træ
0/5
012345
Ukrudt
0/5
012345
Græs
0/5
012345

Luftkvalitetsudsigt i Johnnies Knob, Forenede Stater

søn. 9. marts
MorgenMiddagAftenNat
AQI (luftkvalitetsindeks)
72
66
50
61
Pollen

Træ

0
0
0
0

Ukrudt

0
0
0
0

Græs

0
0
0
0
PM10
0.58 μg/ft3
0.50 μg/ft3
0.29 μg/ft3
0.41 μg/ft3
PM25
0.56 μg/ft3
0.48 μg/ft3
0.25 μg/ft3
0.40 μg/ft3
NO2
17.5 ppb
9.9 ppb
8 ppb
21.7 ppb
SO2
2.8 ppb
3.1 ppb
1.8 ppb
2.8 ppb
CO
0.3 ppb
0.3 ppb
0.2 ppb
0.3 ppb
O3
20.5 ppb
34.7 ppb
51.3 ppb
26.1 ppb
AQI (luftkvalitetsindeks)
33
32
36
43
Pollen

Træ

0
0
0
0

Ukrudt

0
0
0
0

Græs

0
0
0
0
PM10
0.14 μg/ft3
0.16 μg/ft3
0.14 μg/ft3
0.23 μg/ft3
PM25
0.13 μg/ft3
0.16 μg/ft3
0.12 μg/ft3
0.22 μg/ft3
NO2
4.4 ppb
6.6 ppb
9.1 ppb
9.5 ppb
SO2
1.1 ppb
2.6 ppb
2.3 ppb
1.3 ppb
CO
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
O3
35.1 ppb
32.3 ppb
39.2 ppb
31.2 ppb