Steder i nærheten
Powell County, Montana, forente stater
Helmville, Montana, forente stater
Coughlin, Montana, forente stater
Nærliggende steder
Ogden Mountain, forente stater
Braziel Lake, forente stater
Powell County Waterfowl Production Area, forente stater

Luftkvalitet i Powell County, Montana, forente stater

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Forurensende stoffer i Powell County, forente stater

PM10
0.32 μg/ft3
PM25
0.28 μg/ft3
NO2
9.81 ppb
SO2
7.13 ppb
CO
7.19 ppb
O3
Primær forurensningsstoff
52.63 ppb
Lav risikoHøy risiko

Pollenindeks i Powell County, forente stater

Tre
1/5
012345
Ugress
0/5
012345
Gress
1/5
012345

Luftkvalitetsvarsel i Powell County, forente stater

fre. 3. mai
MorgenMiddagstidKveldNatt
Luftkvalitetindeks
36
44
50
36
Pollen

Tre

1
1
1
1

Ugress

0
0
0
0

Gress

1
1
1
1
PM10
0.09 μg/ft3
0.10 μg/ft3
0.06 μg/ft3
0.11 μg/ft3
PM25
0.06 μg/ft3
0.07 μg/ft3
0.04 μg/ft3
0.07 μg/ft3
NO2
1.53 ppb
0.32 ppb
0.38 ppb
3.61 ppb
SO2
0.07 ppb
0.07 ppb
0.04 ppb
0.12 ppb
CO
0.12 ppb
0.12 ppb
0.12 ppb
0.16 ppb
O3
38.55 ppb
52.67 ppb
54.83 ppb
33.7 ppb
Luftkvalitetindeks
27
37
47
38
Pollen

Tre

1
1
1
1

Ugress

0
0
0
0

Gress

1
2
2
3
PM10
0.12 μg/ft3
0.22 μg/ft3
0.50 μg/ft3
0.14 μg/ft3
PM25
0.07 μg/ft3
0.11 μg/ft3
0.13 μg/ft3
0.06 μg/ft3
NO2
2.97 ppb
0.4 ppb
0.64 ppb
1.22 ppb
SO2
0.12 ppb
0.13 ppb
0.08 ppb
0.07 ppb
CO
0.14 ppb
0.12 ppb
0.12 ppb
0.13 ppb
O3
28.75 ppb
45.44 ppb
49.17 ppb
39.1 ppb
Luftkvalitetindeks
37
36
38
39
Pollen

Tre

0
0
1
1

Ugress

0
0
0
0

Gress

0
0
1
1
PM10
0.02 μg/ft3
0.01 μg/ft3
0.01 μg/ft3
0.04 μg/ft3
PM25
0.01 μg/ft3
0.01 μg/ft3
0.01 μg/ft3
0.03 μg/ft3
NO2
0.44 ppb
0.42 ppb
0.3 ppb
0.43 ppb
SO2
0.04 ppb
0.1 ppb
0.02 ppb
0.61 ppb
CO
0.13 ppb
0.13 ppb
0.12 ppb
0.12 ppb
O3
40.3 ppb
37.68 ppb
42.6 ppb
41.06 ppb