Steder i nærheten
East Littleton, Massachusetts, forente stater
Parkerville, Massachusetts, forente stater
Westford, Massachusetts, forente stater
Nærliggende steder
Sparks Hill, forente stater
Westford Regency Heliport, forente stater
Blakes Hill, forente stater

Luftkvalitet i Sparks Hill, forente stater

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Forurensende stoffer i Sparks Hill, forente stater

PM10
0.49 μg/ft3
PM25
0.22 μg/ft3
NO2
0.31 ppb
SO2
0.5 ppb
CO
0.19 ppb
O3
Primær forurensningsstoff
63.31 ppb
Lav risikoHøy risiko

Pollenindeks i Sparks Hill, forente stater

Tre
3/5
012345
Ugress
0/5
012345
Gress
1/5
012345

Luftkvalitetsvarsel i Sparks Hill, forente stater

ons. 19. juni
MorgenMiddagstidKveldNatt
Luftkvalitetindeks
26
41
67
34
Pollen

Tre

0
5
5
3

Ugress

0
0
0
0

Gress

0
1
1
1
PM10
0.17 μg/ft3
0.38 μg/ft3
0.40 μg/ft3
0.18 μg/ft3
PM25
0.10 μg/ft3
0.24 μg/ft3
0.25 μg/ft3
0.09 μg/ft3
NO2
4.12 ppb
2.3 ppb
2.23 ppb
3.61 ppb
SO2
0.76 ppb
1.25 ppb
0.63 ppb
0.23 ppb
CO
0.11 ppb
0.12 ppb
0.12 ppb
0.12 ppb
O3
26.45 ppb
50.97 ppb
55.04 ppb
33.65 ppb
Luftkvalitetindeks
25
47
70
42
Pollen

Tre

1
5
2
1

Ugress

0
0
0
0

Gress

1
1
1
1
PM10
0.17 μg/ft3
0.52 μg/ft3
0.38 μg/ft3
0.48 μg/ft3
PM25
0.09 μg/ft3
0.35 μg/ft3
0.21 μg/ft3
0.30 μg/ft3
NO2
4.87 ppb
2.75 ppb
2.99 ppb
11.12 ppb
SO2
0.85 ppb
1.44 ppb
0.66 ppb
0.52 ppb
CO
0.12 ppb
0.15 ppb
0.14 ppb
0.21 ppb
O3
24.7 ppb
57.94 ppb
52.98 ppb
25.38 ppb
Luftkvalitetindeks
47
52
53
40
Pollen

Tre

0
1
1
0

Ugress

0
0
0
0

Gress

0
0
0
0
PM10
0.47 μg/ft3
0.60 μg/ft3
0.56 μg/ft3
0.33 μg/ft3
PM25
0.33 μg/ft3
0.40 μg/ft3
0.36 μg/ft3
0.22 μg/ft3
NO2
4.59 ppb
2.18 ppb
2.39 ppb
3.54 ppb
SO2
0.61 ppb
0.29 ppb
0.33 ppb
0.35 ppb
CO
0.14 ppb
0.14 ppb
0.14 ppb
0.14 ppb
O3
23.52 ppb
42.2 ppb
48.28 ppb
39.06 ppb