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
0.24 μg/ft3
PM25
0.16 μg/ft3
NO2
1.63 ppb
SO2
0.19 ppb
CO
0.13 ppb
O3
Primær forurensningsstoff
30.5 ppb
Lav risikoHøy risiko
Pollenindeks i Columbia Forest, forente stater
Tre
0/5
012345
Ugress
0/5
012345
Gress
5/5
012345
Luftkvalitetsvarsel i Columbia Forest, forente stater
ons. 24. juli
MorgenMiddagstidKveldNatt
Neste dag
Neste dag
Luftkvalitetindeks28
30
42
47
Neste dag
PollenTre
0
0
0
0
Ugress
0
0
0
0
Gress
1
1
1
1
Neste dag
PM10
0.27 μg/ft3
0.30 μg/ft3
0.39 μg/ft3
0.39 μg/ft3
PM25
0.19 μg/ft3
0.21 μg/ft3
0.27 μg/ft3
0.27 μg/ft3
NO2
3.32 ppb
3.43 ppb
0.45 ppb
2.25 ppb
SO2
0.14 ppb
0.22 ppb
0.17 ppb
0.14 ppb
CO
0.17 ppb
0.2 ppb
0.19 ppb
0.22 ppb
O3
26.8 ppb
21.92 ppb
48.83 ppb
47.43 ppb
Luftkvalitetindeks
30
42
47
58
Pollen
Tre
0
0
0
0
Ugress
0
0
0
0
Gress
1
1
1
1
PM10
0.30 μg/ft3
0.39 μg/ft3
0.39 μg/ft3
0.67 μg/ft3
PM25
0.21 μg/ft3
0.27 μg/ft3
0.27 μg/ft3
0.46 μg/ft3
NO2
3.43 ppb
0.45 ppb
2.25 ppb
9.3 ppb
SO2
0.22 ppb
0.17 ppb
0.14 ppb
0.19 ppb
CO
0.2 ppb
0.19 ppb
0.22 ppb
0.34 ppb
O3
21.92 ppb
48.83 ppb
47.43 ppb
18.37 ppb
Luftkvalitetindeks
56
56
78
63
Pollen
Tre
0
0
0
0
Ugress
0
0
0
0
Gress
1
1
1
1
PM10
0.55 μg/ft3
0.37 μg/ft3
0.40 μg/ft3
0.76 μg/ft3
PM25
0.38 μg/ft3
0.26 μg/ft3
0.28 μg/ft3
0.53 μg/ft3
NO2
7.04 ppb
0.6 ppb
2.54 ppb
8.15 ppb
SO2
0.2 ppb
2.17 ppb
1.62 ppb
1.65 ppb
CO
0.34 ppb
0.18 ppb
0.21 ppb
0.31 ppb
O3
16.41 ppb
60.78 ppb
59.96 ppb
38.22 ppb