Columbia ForestWest Chevy Chase HeightsRosedale ParkNorthwest ParkHamletChevy Chase seksjon 4Chevy Chase seksjon femChevy Chase LakeGlenbrook KnollBethesdaDunlops HillsRollingwoodMartins tilleggMartins AdditionsChevy ChaseChevy Chase ManorChevy Chase VillageGreenwich ForestHuntington TerraceRock Creek Forest
Luftkvalitet i Columbia Forest, Maryland, forente stater
Forurensende stoffer i Columbia Forest, forente stater
PM10
0.37 μg/ft3
PM25
0.16 μg/ft3
NO2
11.4 ppb
SO2
2.5 ppb
CO
0.2 ppb
O3
Primær forurensningsstoff
33.6 ppb
Lav risikoHøy risiko
Pollenindeks i Columbia Forest, forente stater
Tre
0/5
012345
Ugress
0/5
012345
Gress
0/5
012345
Luftkvalitetsvarsel i Columbia Forest, forente stater
søn. 23. februar
MorgenMiddagstidKveldNatt
Neste dag
Neste dag
Luftkvalitetindeks54
64
73
60
Neste dag
PollenTre
0
0
0
0
Ugress
0
0
0
0
Gress
0
0
0
0
Neste dag
PM10
0.24 μg/ft3
0.47 μg/ft3
0.60 μg/ft3
0.46 μg/ft3
PM25
0.31 μg/ft3
0.45 μg/ft3
0.59 μg/ft3
0.40 μg/ft3
NO2
8.1 ppb
10.3 ppb
10.8 ppb
11.4 ppb
SO2
2.9 ppb
2.9 ppb
2.7 ppb
2 ppb
CO
0.2 ppb
0.2 ppb
0.3 ppb
0.2 ppb
O3
31.4 ppb
30.6 ppb
24.1 ppb
37.4 ppb
Luftkvalitetindeks
64
73
60
79
Pollen
Tre
0
0
0
0
Ugress
0
0
0
0
Gress
0
0
0
0
PM10
0.47 μg/ft3
0.60 μg/ft3
0.46 μg/ft3
0.73 μg/ft3
PM25
0.45 μg/ft3
0.59 μg/ft3
0.40 μg/ft3
0.68 μg/ft3
NO2
10.3 ppb
10.8 ppb
11.4 ppb
18.8 ppb
SO2
2.9 ppb
2.7 ppb
2 ppb
2.9 ppb
CO
0.2 ppb
0.3 ppb
0.2 ppb
0.3 ppb
O3
30.6 ppb
24.1 ppb
37.4 ppb
20.8 ppb
Luftkvalitetindeks
85
68
60
63
Pollen
Tre
0
0
0
0
Ugress
0
0
0
0
Gress
0
0
0
0
PM10
0.82 μg/ft3
0.60 μg/ft3
0.42 μg/ft3
0.46 μg/ft3
PM25
0.76 μg/ft3
0.51 μg/ft3
0.39 μg/ft3
0.44 μg/ft3
NO2
11.9 ppb
4.2 ppb
19.5 ppb
14.5 ppb
SO2
2.4 ppb
3.2 ppb
2.8 ppb
2.7 ppb
CO
0.3 ppb
0.2 ppb
0.3 ppb
0.2 ppb
O3
17.8 ppb
34.5 ppb
35.3 ppb
27.1 ppb
Luftkvalitetindeks
63
67
40
0
Pollen
Tre
0
0
0
-
Ikke tilgjengelig
Ugress
0
0
0
-
Ikke tilgjengelig
Gress
0
0
0
-
Ikke tilgjengelig
PM10
0.44 μg/ft3
0.52 μg/ft3
0.21 μg/ft3
N/A
PM25
0.43 μg/ft3
0.50 μg/ft3
0.20 μg/ft3
N/A
NO2
4.8 ppb
6.5 ppb
4.3 ppb
N/A
SO2
2.4 ppb
2 ppb
1.7 ppb
N/A
CO
0.2 ppb
0.2 ppb
0.2 ppb
N/A
O3
39.3 ppb
37 ppb
41.7 ppb
N/A