Luftkvalitet i Chelsea Historic District, forente stater
Forurensende stoffer i Chelsea Historic District, forente stater
PM10
0.93 μg/ft3
PM25
0.59 μg/ft3
NO2
18.38 ppb
SO2
12.31 ppb
CO
12.31 ppb
O3
Primær forurensningsstoff
136.38 ppb
Lav risikoHøy risiko
Pollenindeks i Chelsea Historic District, forente stater
Tre
1/5
012345
Ugress
0/5
012345
Gress
0/5
012345
Luftkvalitetsvarsel i Chelsea Historic District, forente stater
tir. 25. juni
MorgenMiddagstidKveldNatt
Luftkvalitetindeks
53
42
46
32
Pollen
Tre
0
1
5
5
Ugress
0
0
0
0
Gress
0
0
1
1
PM10
0.46 μg/ft3
0.27 μg/ft3
0.15 μg/ft3
0.12 μg/ft3
PM25
0.32 μg/ft3
0.18 μg/ft3
0.11 μg/ft3
0.08 μg/ft3
NO2
2.72 ppb
1.49 ppb
1.89 ppb
3.13 ppb
SO2
1.34 ppb
0.5 ppb
0.36 ppb
0.42 ppb
CO
0.16 ppb
0.12 ppb
0.13 ppb
0.12 ppb
O3
39.37 ppb
50.42 ppb
44.99 ppb
31.42 ppb
Luftkvalitetindeks
23
37
56
40
Pollen
Tre
3
3
1
1
Ugress
0
0
0
0
Gress
1
1
1
0
PM10
0.18 μg/ft3
0.29 μg/ft3
0.35 μg/ft3
0.38 μg/ft3
PM25
0.13 μg/ft3
0.20 μg/ft3
0.24 μg/ft3
0.24 μg/ft3
NO2
3.46 ppb
2.27 ppb
4.94 ppb
8.27 ppb
SO2
0.8 ppb
0.88 ppb
1.16 ppb
1.23 ppb
CO
0.12 ppb
0.13 ppb
0.15 ppb
0.15 ppb
O3
24.2 ppb
44.09 ppb
55.09 ppb
32 ppb