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2014

Top Ten Rivers

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Mon

14

Apr

2014

Top Ten Most Popular Dream Cruises (by Westerners)

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Mon

14

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2014

Top Ten Lowest Average Birth Weights by Country

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2014

Top Ten Deepest Oceans and Seas (in meters)

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2014

Top Ten Most Intelligent Breeds of Dogs (western world)

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2014

Top Ten Countries by Number of Cows

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2014

Top Ten Yearly Number of Births by Country

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2014

Top Ten Largest Work Forces by Country

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13

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2014

Top Ten Lakes in the World

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Sun

13

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2014

Top Ten Ice Cream Consumers (by Country)

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Sun

13

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2014

Top Ten Household Size (by Country)

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Sun

13

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2014

Top Ten Countries by Suicide Rates

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2014

Top Ten Countries with Highest Life Expectancy

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Sun

13

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2014

Top Ten Divorce Rates (by Country)

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Sun

13

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2014

Top Ten Highest Death Rates in the World

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2014

Top Ten Highest Alcohol Consumption by Country

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13

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2014

Top Ten Fastest Cars in the World

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12

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2014

Top Ten Countries With The Most Population

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2014

Top Ten Countries With Most Billionaires

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2014

Top Ten Countries With Most Airports

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Sat

12

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2014

Top Ten Common Causes of Accidental Death

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2014

Top Ten Coffee Drinking Nations by Cups per Person

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Apr

2014

Top Ten Most Polluted Cities in the World

Here are the top 10 cities for which data is available, according to a 2011 World Health Organisation (WHO) report.

The  is measured as the microgramme (mcg) concentration per cubic metre of air of particulate matter smaller than 10 micrometres (PM10)—about a seventh of the width of a .

The figures are the average for the year. Seasonal spikes can be many times higher.

The WHO's health guidelines are maximum exposure of 20 mcg/m3, measured as an annual average.

1) Ahvaz, Iran 372 mcg/m3 (2009 data)

2) Ulan Bator, Mongolia 279 mcg/m3 (2008 data) 

3) Sanandaj, Iran 254 mcg/m3 (2009 data)

4) Ludhiana, India (2008 data) and Quetta, Pakistan (2003/4 data)

tied at 251 mcg/m3

5) Kermanshah, Iran 229 mcg/m3 (2009 data)

6) Peshawar, Pakistan 219 mcg/m3 (2003/4 data)

7) Gaborone, Botswana 216 mcg/m3 (2005 data)

8) Yasuj, Iran 215 mcg/m3 (2009 data)

9) Kanpur, India 209 mcg/m3 (2008 data)

10) Lahore, Pakistan 200 mcg/m3 (2003/4 data)

Paris, whose levels hit a high of 180 mcg/m3 last week, has an annual mean level of 38 mcg/m3 according to 2008 data.

Beijing, which has also been in the news over smothering smog, is listed with an annual mean figure of 121 mcg/m3.

The Middle East and North Africa is the world's most polluted region with an annual mean level well over 130 mcg/m3, followed by Southeast Asia with a level near 100 mcg/m3.

Read more at: http://phys.org/news/2014-03-world-polluted-cities.html#jCp

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Fri

11

Apr

2014

Top Ten Best European Cities to Visit

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11

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2014

Top Ten Ranking of Nations in Bread Consumption (kg per capita)

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Apr

2014

Ranking of Countries by Cleanliness

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2014

Chocolate Consumption by Nation (kg per capita)

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2014

Ranking of Car Production by Nation

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2014

Ranking of Nations Drinking Bottled Water

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Fri

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Apr

2014

Best Athletes of 20th Century

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Fri

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Apr

2014

Top Ten Best Selling Cars in First 6 months of 2005

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Fri

11

Apr

2014

Top Ten Honeymoon Destinations

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