Steder i nærheten
Gamle Cambridge, Massachusetts, forente stater
Cambridge, Massachusetts, forente stater
Coolidge Hill, Massachusetts, forente stater
Nærliggende steder
John Harvard Statue, forente stater
New Yard, forente stater
Harvard Yard, forente stater

Luftkvalitet i John Harvard Statue, forente stater

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Forurensende stoffer i John Harvard Statue, forente stater

PM10
0.80 μg/ft3
PM25
Primær forurensningsstoff
0.64 μg/ft3
NO2
17 ppb
SO2
13 ppb
CO
12.19 ppb
O3
67.5 ppb
Lav risikoHøy risiko

Pollenindeks i John Harvard Statue, forente stater

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

Luftkvalitetsvarsel i John Harvard Statue, forente stater

man. 24. juni
MorgenMiddagstidKveldNatt
Luftkvalitetindeks
40
56
79
58
Pollen

Tre

5
5
5
4

Ugress

0
0
0
0

Gress

1
1
1
1
PM10
0.32 μg/ft3
0.35 μg/ft3
0.32 μg/ft3
0.70 μg/ft3
PM25
0.21 μg/ft3
0.24 μg/ft3
0.22 μg/ft3
0.47 μg/ft3
NO2
3.55 ppb
1.91 ppb
4.1 ppb
8.71 ppb
SO2
1.06 ppb
0.94 ppb
0.63 ppb
1.21 ppb
CO
0.15 ppb
0.16 ppb
0.17 ppb
0.25 ppb
O3
42.76 ppb
61.71 ppb
62.03 ppb
48.44 ppb
Luftkvalitetindeks
45
42
45
27
Pollen

Tre

0
0
3
5

Ugress

0
0
0
0

Gress

0
0
0
1
PM10
0.22 μg/ft3
0.28 μg/ft3
0.15 μg/ft3
0.13 μg/ft3
PM25
0.15 μg/ft3
0.19 μg/ft3
0.10 μg/ft3
0.09 μg/ft3
NO2
3.25 ppb
2.08 ppb
2.63 ppb
3.79 ppb
SO2
0.7 ppb
0.49 ppb
0.33 ppb
0.48 ppb
CO
0.17 ppb
0.13 ppb
0.14 ppb
0.13 ppb
O3
44.45 ppb
49.87 ppb
42.45 ppb
27.1 ppb
Luftkvalitetindeks
22
35
48
41
Pollen

Tre

4
3
5
2

Ugress

0
0
0
0

Gress

1
1
1
0
PM10
0.14 μg/ft3
0.15 μg/ft3
0.24 μg/ft3
0.35 μg/ft3
PM25
0.10 μg/ft3
0.10 μg/ft3
0.17 μg/ft3
0.24 μg/ft3
NO2
3.43 ppb
1.68 ppb
5.99 ppb
10.11 ppb
SO2
0.65 ppb
0.54 ppb
0.67 ppb
0.78 ppb
CO
0.12 ppb
0.11 ppb
0.15 ppb
0.18 ppb
O3
23.13 ppb
41.42 ppb
50.39 ppb
26.51 ppb