Water dissolved oxygen concentration (most recent) by country

SOURCE
United Nations Environment Programme (UNEP), Global Environmental Monitoring System/Water Quality Monitoring System, with data for an additional 29 countries from Prescott-Allen,R. The Well being of Nations, Washington, DC: Island Press, 2001

DEFINITION
Dissolved oxygen concentration
Units: Milligrams/Liter
Units: The country values represent averages of the station-level values for the three year time period 1994-96, exceptwhere data were only available for an earlier time period (1988-1993). The number of stations per country varies depending on country size; number of bodies of water; and level of participation in the GEMS monitoring system. The data from "The Wellbeing of Nations" included a smaller subset of stations representing outfalls of major watersheds. An analysis of a sample of countries with numerous stations found that the data for stations in the subset is broadly comparable to the data for all GEMS stations in those countries.

Environment Statistics > Water > Dissolved oxygen concentration (most recent) by country

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Rank

Countries

Amount

# 1

Greece:

11.27 mls/litre

# 2

Finland:

11.19 mls/litre

= 3

Austria:

11.15 mls/litre

= 3

Estonia:

11.15 mls/litre

# 5

Moldova:

10.95 mls/litre

= 6

Canada:

10.85 mls/litre

= 6

Ireland:

10.85 mls/litre

= 6

Switzerland:

10.85 mls/litre

# 9

Hungary:

10.82 mls/litre

# 10

Latvia:

10.75 mls/litre

# 11

Australia:

10.64 mls/litre

# 12

Iran:

10.57 mls/litre

# 13

Germany:

10.45 mls/litre

# 14

United Kingdom:

10.4 mls/litre

= 15

Czech Republic:

10.33 mls/litre

= 15

France:

10.33 mls/litre

= 15

Israel:

10.33 mls/litre

# 18

Korea, South:

10.32 mls/litre

# 19

Kuwait:

10.24 mls/litre

# 20

Japan:

10.18 mls/litre

# 21

Slovakia:

10.03 mls/litre

= 22

Argentina:

10 mls/litre

= 22

Denmark:

10 mls/litre

# 24

New Zealand:

9.87 mls/litre

# 25

Poland:

9.86 mls/litre

# 26

Netherlands:

9.78 mls/litre

= 27

Romania:

9.7 mls/litre

= 27

Slovenia:

9.7 mls/litre

# 29

Russia:

9.69 mls/litre

# 30

Trinidad and Tobago:

9.61 mls/litre

# 31

Tunisia:

9.35 mls/litre

# 32

Sweden:

9.27 mls/litre

# 33

United States:

9.26 mls/litre

# 34

Vietnam:

9.23 mls/litre

# 35

Norway:

9.16 mls/litre

# 36

Congo, Democratic Republic of the:

9.15 mls/litre

# 37

Botswana:

9.13 mls/litre

# 38

Croatia:

8.95 mls/litre

# 39

Macedonia, The Former Yugoslav Republic of:

8.93 mls/litre

# 40

Jordan:

8.91 mls/litre

# 41

Haiti:

8.9 mls/litre

# 42

Belarus:

8.81 mls/litre

# 43

United Arab Emirates:

8.74 mls/litre

# 44

Italy:

8.73 mls/litre

# 45

Algeria:

8.72 mls/litre

# 46

Saudi Arabia:

8.69 mls/litre

# 47

Ukraine:

8.6 mls/litre

= 48

Oman:

8.57 mls/litre

= 48

Mongolia:

8.57 mls/litre

# 50

Dominica:

8.5 mls/litre

# 51

Mali:

8.46 mls/litre

# 52

Venezuela:

8.4 mls/litre

# 53

Iceland:

8.39 mls/litre

= 54

Malawi:

8.35 mls/litre

= 54

Spain:

8.35 mls/litre

# 56

Paraguay:

8.33 mls/litre

# 57

Papua New Guinea:

8.3 mls/litre

= 58

Azerbaijan:

8.27 mls/litre

= 58

Kazakhstan:

8.27 mls/litre

# 60

Philippines:

8.24 mls/litre

# 61

Bulgaria:

8.23 mls/litre

# 62

Uruguay:

8.12 mls/litre

# 63

Cuba:

8.1 mls/litre

# 64

Liberia:

8.01 mls/litre

# 65

China:

7.99 mls/litre

# 66

Laos:

7.98 mls/litre

# 67

Sudan:

7.84 mls/litre

# 68

Somalia:

7.83 mls/litre

# 69

Panama:

7.78 mls/litre

# 70

Turkey:

7.77 mls/litre

# 71

Uzbekistan:

7.71 mls/litre

# 72

Angola:

7.69 mls/litre

# 73

Portugal:

7.65 mls/litre

# 74

Chile:

7.62 mls/litre

# 75

Honduras:

7.61 mls/litre

= 76

Libya:

7.58 mls/litre

= 76

Namibia:

7.58 mls/litre

# 78

South Africa:

7.54 mls/litre

# 79

Egypt:

7.49 mls/litre

# 80

Armenia:

7.3 mls/litre

= 81

Iraq:

7.28 mls/litre

= 81

Togo:

7.28 mls/litre

= 83

Gabon:

7.27 mls/litre

= 83

Brazil:

7.27 mls/litre

# 85

Costa Rica:

7.12 mls/litre

= 86

Peru:

7.11 mls/litre

= 86

Pakistan:

7.11 mls/litre

# 88

Uganda:

7.04 mls/litre

# 89

Kyrgyzstan:

6.93 mls/litre

# 90

Tanzania:

6.87 mls/litre

# 91

Kenya:

6.83 mls/litre

# 92

Ghana:

6.8 mls/litre

# 93

Nigeria:

6.77 mls/litre

# 94

Turkmenistan:

6.74 mls/litre

# 95

Korea, North:

6.73 mls/litre

# 96

Cote d'Ivoire:

6.7 mls/litre

# 97

Nepal:

6.69 mls/litre

# 98

Sri Lanka:

6.64 mls/litre

# 99

Guatemala:

6.63 mls/litre

# 100

Rwanda:

6.62 mls/litre

# 101

Albania:

6.6 mls/litre

# 102

Ecuador:

6.52 mls/litre

# 103

Guinea:

6.51 mls/litre

# 104

India:

6.38 mls/litre

# 105

Jamaica:

6.3 mls/litre

# 106

Nicaragua:

6.28 mls/litre

# 107

Benin:

6.27 mls/litre

# 108

Bhutan:

6.26 mls/litre

# 109

Morocco:

6.25 mls/litre

# 110

Madagascar:

6.24 mls/litre

# 111

Bosnia and Herzegovina:

6.15 mls/litre

# 112

Bangladesh:

6.13 mls/litre

# 113

Mexico:

6.1 mls/litre

# 114

El Salvador:

6.09 mls/litre

# 115

Sierra Leone:

6.07 mls/litre

# 116

Burkina Faso:

5.87 mls/litre

# 117

Chad:

5.85 mls/litre

# 118

Syria:

5.83 mls/litre

# 119

Ethiopia:

5.79 mls/litre

= 120

Lebanon:

5.78 mls/litre

= 120

Tajikistan:

5.78 mls/litre

# 122

Zambia:

5.77 mls/litre

# 123

Guinea-Bissau:

5.75 mls/litre

# 124

Lithuania:

5.68 mls/litre

# 125

Belgium:

5.62 mls/litre

# 126

Colombia:

5.55 mls/litre

# 127

Mauritania:

5.54 mls/litre

# 128

Mozambique:

5.44 mls/litre

# 129

Niger:

5.4 mls/litre

# 130

Central African Republic:

5.29 mls/litre

# 131

Cameroon:

4.87 mls/litre

# 132

Burma:

4.83 mls/litre

# 133

Zimbabwe:

4.8 mls/litre

# 134

Cambodia:

4.74 mls/litre

# 135

Malaysia:

4.54 mls/litre

# 136

Senegal:

4.43 mls/litre

# 137

Burundi:

3.94 mls/litre

# 138

Bolivia:

3.85 mls/litre

# 139

Gambia, The:

3.75 mls/litre

# 140

Indonesia:

3.31 mls/litre

# 141

Thailand:

2.98 mls/litre

Weighted average:

7.7 mls/litre

DEFINITION: Dissolved oxygen concentration
Units: Milligrams/Liter
Units: The country values represent averages of the station-level values for the three year time period 1994-96, exceptwhere data were only available for an earlier time period (1988-1993). The number of stations per country varies depending on country size; number of bodies of water; and level of participation in the GEMS monitoring system. The data from "The Wellbeing of Nations" included a smaller subset of stations representing outfalls of major watersheds. An analysis of a sample of countries with numerous stations found that the data for stations in the subset is broadly comparable to the data for all GEMS stations in those countries.

SOURCE: United Nations Environment Programme (UNEP), Global Environmental Monitoring System/Water Quality Monitoring System, with data for an additional 29 countries from Prescott-Allen,R. The Well being of Nations, Washington, DC: Island Press, 2001

Environment Statistics > Water > Dissolved oxygen concentration (most recent) by country

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