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
0.21 μg/ft3
PM25
0.17 μg/ft3
NO2
4.81 ppb
SO2
2.78 ppb
CO
0.2 ppb
O3
Primær forurensningsstoff
29.28 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
tir. 14. januar
MorgenMiddagstidKveldNatt
Luftkvalitetindeks
36
36
29
33
Pollen
Tre
1
0
1
1
Ugress
0
0
0
0
Gress
0
0
0
0
PM10
0.24 μg/ft3
0.18 μg/ft3
0.14 μg/ft3
0.17 μg/ft3
PM25
0.18 μg/ft3
0.18 μg/ft3
0.14 μg/ft3
0.17 μg/ft3
NO2
5.87 ppb
3.7 ppb
8.6 ppb
10.2 ppb
SO2
2.16 ppb
2.2 ppb
2.5 ppb
2.4 ppb
CO
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
O3
34.6 ppb
30.4 ppb
30.3 ppb
25.4 ppb
Luftkvalitetindeks
44
54
56
62
Pollen
Tre
1
0
0
0
Ugress
0
0
0
0
Gress
0
0
0
0
PM10
0.22 μg/ft3
0.31 μg/ft3
0.33 μg/ft3
0.43 μg/ft3
PM25
0.22 μg/ft3
0.31 μg/ft3
0.33 μg/ft3
0.42 μg/ft3
NO2
17.2 ppb
9 ppb
20.9 ppb
22.2 ppb
SO2
2.9 ppb
2.1 ppb
1.9 ppb
2.4 ppb
CO
0.2 ppb
0.2 ppb
0.3 ppb
0.3 ppb
O3
15.9 ppb
22.7 ppb
20 ppb
12.9 ppb
Luftkvalitetindeks
36
28
57
56
Pollen
Tre
1
0
1
1
Ugress
0
0
0
0
Gress
0
0
0
0
PM10
0.18 μg/ft3
0.12 μg/ft3
0.35 μg/ft3
0.33 μg/ft3
PM25
0.18 μg/ft3
0.12 μg/ft3
0.35 μg/ft3
0.33 μg/ft3
NO2
15.3 ppb
5.1 ppb
23.4 ppb
15.3 ppb
SO2
2.3 ppb
1.8 ppb
2.2 ppb
1.9 ppb
CO
0.2 ppb
0.2 ppb
0.3 ppb
0.2 ppb
O3
18.6 ppb
30.3 ppb
23.4 ppb
18.7 ppb