Steder i nærheten
Alton, New Hampshire, forente stater
Alton Bay, New Hampshire, forente stater
New Durham, New Hampshire, forente stater
Nærliggende steder
Alton Town Beach, forente stater
Merrymeeting State Wildlife Management Area, forente stater
Mount Bet, forente stater

Luftkvalitet i Alton, New Hampshire, forente stater

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Forurensende stoffer i Alton, forente stater

PM10
0.15 μg/ft3
PM25
0.59 μg/ft3
NO2
3.67 ppb
SO2
0.34 ppb
CO
0.2 ppb
O3
Primær forurensningsstoff
27.25 ppb
Lav risikoHøy risiko

Pollenindeks i Alton, forente stater

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

Luftkvalitetsvarsel i Alton, forente stater

lør. 21. desember
MorgenMiddagstidKveldNatt
Luftkvalitetindeks
32
29
32
34
Pollen

Tre

0
0
0
0

Ugress

0
0
0
0

Gress

0
0
0
0
PM10
0.24 μg/ft3
0.16 μg/ft3
0.16 μg/ft3
0.24 μg/ft3
PM25
0.91 μg/ft3
0.60 μg/ft3
0.61 μg/ft3
0.95 μg/ft3
NO2
4.2 ppb
2.3 ppb
7.1 ppb
6.8 ppb
SO2
0.4 ppb
0.4 ppb
0.7 ppb
0.8 ppb
CO
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
O3
27.3 ppb
29.4 ppb
31.6 ppb
28.3 ppb
Luftkvalitetindeks
34
45
40
46
Pollen

Tre

0
0
0
0

Ugress

0
0
0
0

Gress

0
0
0
0
PM10
0.23 μg/ft3
0.30 μg/ft3
0.26 μg/ft3
0.29 μg/ft3
PM25
0.97 μg/ft3
1.27 μg/ft3
1.14 μg/ft3
1.31 μg/ft3
NO2
5.9 ppb
6.3 ppb
9.1 ppb
7.6 ppb
SO2
0.6 ppb
1.7 ppb
1.4 ppb
0.9 ppb
CO
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
O3
27.5 ppb
27.2 ppb
27.5 ppb
24.6 ppb
Luftkvalitetindeks
33
33
35
32
Pollen

Tre

0
0
0
0

Ugress

0
0
0
0

Gress

0
0
0
0
PM10
0.21 μg/ft3
0.08 μg/ft3
0.08 μg/ft3
0.11 μg/ft3
PM25
0.93 μg/ft3
0.36 μg/ft3
0.38 μg/ft3
0.51 μg/ft3
NO2
4.7 ppb
1.6 ppb
5.6 ppb
4.2 ppb
SO2
0.4 ppb
0.4 ppb
0.5 ppb
0.3 ppb
CO
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
O3
24.7 ppb
33.4 ppb
34.9 ppb
31.7 ppb