Lokationer i nærheden
Preston Place, Virginia, Forenede Stater
Columbia Park, Virginia, Forenede Stater
Victoria Hills, Virginia, Forenede Stater
Steder i nærheden
Harrowgate Park, Forenede Stater
Fire Station Number 14 Heliport, Forenede Stater
Technical Center Heliport, Forenede Stater

Luftkvalitet i Preston Place, Virginia, Forenede Stater

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Forureningskilder i Preston Place, Forenede Stater

PM10
0.46 μg/ft3
PM25
0.19 μg/ft3
NO2
7.6 ppb
SO2
1 ppb
CO
0.2 ppb
O3
Primær forureningskilde
31.5 ppb
Lav risikoHøj risiko

Pollenindeks i Preston Place, Forenede Stater

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

Luftkvalitetsudsigt i Preston Place, Forenede Stater

man. 21. april
MorgenMiddagAftenNat
AQI (luftkvalitetsindeks)
43
47
58
48
Pollen

Træ

5
5
5
5

Ukrudt

0
0
0
0

Græs

0
0
0
0
PM10
0.23 μg/ft3
0.14 μg/ft3
0.23 μg/ft3
0.23 μg/ft3
PM25
0.22 μg/ft3
0.14 μg/ft3
0.22 μg/ft3
0.22 μg/ft3
NO2
4.4 ppb
2.2 ppb
2.2 ppb
4.7 ppb
SO2
2.4 ppb
2.1 ppb
1.4 ppb
0.9 ppb
CO
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
O3
38 ppb
50.3 ppb
65.3 ppb
52 ppb
AQI (luftkvalitetsindeks)
52
50
56
47
Pollen

Træ

3
5
5
5

Ukrudt

0
0
0
0

Græs

0
0
0
0
PM10
0.33 μg/ft3
0.16 μg/ft3
0.19 μg/ft3
0.23 μg/ft3
PM25
0.27 μg/ft3
0.11 μg/ft3
0.12 μg/ft3
0.18 μg/ft3
NO2
6 ppb
1.6 ppb
1.7 ppb
4 ppb
SO2
1.1 ppb
0.8 ppb
0.6 ppb
0.8 ppb
CO
0.2 ppb
0.1 ppb
0.1 ppb
0.2 ppb
O3
37.6 ppb
53.9 ppb
61.9 ppb
50.3 ppb
AQI (luftkvalitetsindeks)
48
48
50
0
Pollen

Træ

4
5
5
-
Ikke tilgængelig

Ukrudt

0
0
0
-
Ikke tilgængelig

Græs

0
0
0
-
Ikke tilgængelig
PM10
0.33 μg/ft3
0.34 μg/ft3
0.16 μg/ft3
N/A
PM25
0.24 μg/ft3
0.24 μg/ft3
0.13 μg/ft3
N/A
NO2
5 ppb
1.6 ppb
2.4 ppb
N/A
SO2
0.8 ppb
0.4 ppb
0.2 ppb
N/A
CO
0.2 ppb
0.1 ppb
0.2 ppb
N/A
O3
35.2 ppb
47.9 ppb
53.5 ppb
N/A