Lokationer i nærheden
Bull Run, Virginia, Forenede Stater
Carlyle Station, Virginia, Forenede Stater
West Gate, Virginia, Forenede Stater
Steder i nærheden
Mount Pone, Forenede Stater
IBM Building 250 Heliport, Forenede Stater
Prince William Hospital Heliport, Forenede Stater

Luftkvalitet i Bull Run, Virginia, Forenede Stater

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Forureningskilder i Bull Run, Forenede Stater

PM10
0.15 μg/ft3
PM25
0.16 μg/ft3
NO2
2.2 ppb
SO2
1.6 ppb
CO
0.2 ppb
O3
Primær forureningskilde
32.2 ppb
Lav risikoHøj risiko

Pollenindeks i Bull Run, Forenede Stater

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

Luftkvalitetsudsigt i Bull Run, Forenede Stater

man. 3. marts
MorgenMiddagAftenNat
AQI (luftkvalitetsindeks)
44
45
44
45
Pollen

Træ

5
5
5
5

Ukrudt

0
0
0
0

Græs

0
0
0
0
PM10
0.21 μg/ft3
0.20 μg/ft3
0.18 μg/ft3
0.21 μg/ft3
PM25
0.15 μg/ft3
0.14 μg/ft3
0.15 μg/ft3
0.20 μg/ft3
NO2
0.3 ppb
0.4 ppb
1 ppb
1.4 ppb
SO2
0.2 ppb
0.1 ppb
0.2 ppb
0.4 ppb
CO
0.1 ppb
0.1 ppb
0.2 ppb
0.2 ppb
O3
47.2 ppb
48.1 ppb
47.1 ppb
48.4 ppb
AQI (luftkvalitetsindeks)
32
34
40
37
Pollen

Træ

5
5
5
5

Ukrudt

0
0
0
0

Græs

0
0
0
0
PM10
0.08 μg/ft3
0.03 μg/ft3
0.04 μg/ft3
0.06 μg/ft3
PM25
0.08 μg/ft3
0.03 μg/ft3
0.04 μg/ft3
0.06 μg/ft3
NO2
1.5 ppb
0.7 ppb
1.2 ppb
2 ppb
SO2
0.4 ppb
0.5 ppb
0.8 ppb
1.2 ppb
CO
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
O3
34.2 ppb
36.5 ppb
42.7 ppb
39.9 ppb