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Luftkvalitet i Helena Valley Northwest, Montana, forente stater
Forurensende stoffer i Helena Valley Northwest, forente stater
PM10
0.28 μg/ft3
PM25
Primær forurensningsstoff
0.18 μg/ft3
NO2
0.5 ppb
SO2
N/A
CO
0.13 ppb
O3
29 ppb
Lav risikoHøy risiko
Pollenindeks i Helena Valley Northwest, forente stater
Tre
0/5
012345
Ugress
0/5
012345
Gress
0/5
012345
Luftkvalitetsvarsel i Helena Valley Northwest, forente stater
man. 29. april
MorgenMiddagstidKveldNatt
Neste dag
Neste dag
Luftkvalitetindeks32
28
28
37
Neste dag
PollenTre
0
0
0
1
Ugress
0
0
0
0
Gress
0
0
0
0
Neste dag
PM10
0.04 μg/ft3
0.07 μg/ft3
0.32 μg/ft3
0.18 μg/ft3
PM25
0.02 μg/ft3
0.04 μg/ft3
0.22 μg/ft3
0.13 μg/ft3
NO2
0.37 ppb
1.48 ppb
0.53 ppb
0.15 ppb
SO2
0.01 ppb
0.05 ppb
0.05 ppb
0.08 ppb
CO
0.13 ppb
0.13 ppb
0.12 ppb
0.13 ppb
O3
36.56 ppb
26.04 ppb
26.86 ppb
44.45 ppb
Luftkvalitetindeks
28
37
46
40
Pollen
Tre
0
1
5
5
Ugress
0
0
0
0
Gress
0
0
0
0
PM10
0.32 μg/ft3
0.18 μg/ft3
0.18 μg/ft3
0.08 μg/ft3
PM25
0.22 μg/ft3
0.13 μg/ft3
0.13 μg/ft3
0.05 μg/ft3
NO2
0.53 ppb
0.15 ppb
0.14 ppb
0.42 ppb
SO2
0.05 ppb
0.08 ppb
0.06 ppb
0.03 ppb
CO
0.12 ppb
0.13 ppb
0.12 ppb
0.13 ppb
O3
26.86 ppb
44.45 ppb
52.1 ppb
38.06 ppb
Luftkvalitetindeks
30
40
44
40
Pollen
Tre
3
3
1
1
Ugress
0
0
0
0
Gress
0
0
0
0
PM10
0.08 μg/ft3
0.09 μg/ft3
0.11 μg/ft3
0.07 μg/ft3
PM25
0.05 μg/ft3
0.06 μg/ft3
0.07 μg/ft3
0.05 μg/ft3
NO2
0.73 ppb
0.11 ppb
0.21 ppb
0.59 ppb
SO2
0.02 ppb
0.04 ppb
0.03 ppb
0.07 ppb
CO
0.12 ppb
0.11 ppb
0.11 ppb
0.11 ppb
O3
32.31 ppb
46.49 ppb
49.25 ppb
38.77 ppb