Iran, South Asia worst city air quality

2011-09-26 20:10

Geneva - Cities in Iran, India, Pakistan and the capital of Mongolia rank among the worst on the planet for air pollution, while those in the US and Canada are among the best, according to the first global survey, released on Monday by the World Health Organisation.

The southwest Iranian city of Ahvaz walked away with the unfortunate distinction of having the highest measured level of airborne particles smaller than 10 micrometers.

WHO released the list to highlight the need to reduce outdoor air pollution, which is estimated to cause 1.34 million premature deaths each year. The global body said investments to lower pollution levels quickly pay off due to lower disease rates and, therefore, lower healthcare costs.

The list, which relies on country-reported data over the past several years, measures the levels of airborne particles smaller than 10 micrometers - so-called PM10s - for almost 1 100 cities.

WHO recommends an upper limit of 20 micrograms for PM10s, which can cause serious respiratory problems in humans. They are mostly sulphur dioxide and nitrogen dioxide from power plants, car exhausts and industry.

Ahvaz's annual average of PM10s was 372 micrograms per m³.

The study found that the Mongolian capital Ulan Bator had an annual average PM10s density of 279 micrograms per m³, followed by another west Iranian city, Sanandaj, with 254 micrograms.

Cities in Pakistan and India, such as Quetta and Kanpur, as well as Botswana's capital Gaborone, also ranked high on the pollution scale.

Ulan Bator

WHO said the reasons for the high pollution levels varied, but that often rapid industrialisation and the use of poor quality fuels for transportation and electricity generation are to blame.

At the other end of the list are cities in Canada and the United States, which benefit from lower population density, favourable climates and stricter air pollution regulation.

Yukon territory's capital Whitehorse had a yearly average of just 3 micrograms of PM10s per m³, while Santa Fe, New Mexico, measured 6 micrograms.

Washington, DC, had a level of 18 micrograms, Tokyo measured 23 micrograms, and Paris had 38 micrograms of PM10s per m³.

WHO also released a shorter table comparing levels of even finer dust particles, known as PM2.5s. The level considered harmful there is 10 micrograms per cubic meter.

This list contained no measurements from Asia apart from Ulan Bator, which again ranked worst with 63.0 micrograms.


- AP

Read more on:    who  |  environment  |  pollution
NEXT ON NEWS24X

Read News24’s Comments Policy

24.com publishes all comments posted on articles provided that they adhere to our Comments Policy. Should you wish to report a comment for editorial review, please do so by clicking the 'Report Comment' button to the right of each comment.

Comment on this story
0 comments
Add your comment
Comment 0 characters remaining
 

Inside News24

 
 

ANCYL: Not voting would be blasphemy

Not voting in the forthcoming elections would be blasphemy, the ANCYL says in a statement commemorating the 50th anniversary of struggle icon Nelson Mandela's Rivonia trial speech.

 
 

Latest elections multimedia

Why Jack Parow wants you to vote on 7 May
The ad the SABC doesn't want to air
Elections 2014 in one cartoon
This year's election posters
 
Traffic
Lottery
 
  • Thursday Sir Lowry's Pass - 05:35 AM
    Road name: Old Sir Lowrys Pass Road
    TRAFFIC LIGHTS not working at Bezweni Road
  • Thursday Cape Town - 05:35 AM
    Road name: Buitengracht Street
    TRAFFIC LIGHTS not working at Waterkant Street
 
More traffic reports...
 

Jobs in Cape Town [change area]

Property [change area]

Travel - Look, Book, Go!

Escape winter, head to Mauritius

Escape winter by spending 7 nights in Mauritius' tropical bliss from R13 215 per person sharing. Includes return flights, airport transfers and accommodation. Book now!

Kalahari.com - shop online today

Get many eggs in one basket!

Gaming bundles: 2 Super Hits games for R99, 3 Disney games for R99 and more + exclusive accessory bundles only available on kalahari.com. While stocks last. Shop now!

25% off bestselling books!

The Real Meal Revolution by Tim Noakes, Jeffrey Archer’s Be Careful What You Wish for, Man’s Search for Meaning by Victor E. Frank and many more titles. Shop now!

Up to 25% off electronics

Buy top electronics and save up to 25%. Such as kalahari.com’s 1# selling product the gobii eReader, Patriot X Porter flash drive, Asus Nexus 7” 3G tablet, Samsung Galaxy SIII, Lenovo G580 Notebook and many more. Shop now!

DStv HD PVR Decoder now R949

The DStv HD PVR Decoder has further revolutionised the television experience with lifelike viewing, sharper images, more vibrant colours and precision picture quality. Now R949, save R550. Offer valid while stocks last. Shop now!

Up to 30% off appliances & homeware

Save up to 30% on appliances and homeware this Easter! Offer valid while stocks last. Shop now.

OLX Free Classifieds [change area]

Samsung Galaxy s4

Mobile, Cell Phones in South Africa, Western Cape, Cape Town. Date October 24

Best bargain in big bay

Real Estate, Houses - Apartments for Sale in South Africa, Western Cape, Cape Town. Date October 25

VW Golf 6, 1.6 Trendline (Excellent condition)

Vehicles, Cars in South Africa, Western Cape, Cape Town. Date October 25

BlackBerry Bold 9780

BlackBerry 6 Engage your world with BlackBerry 6 OS on the...

From R3049.00

I'm shopping for:

Horoscopes
Aquarius
Aquarius

There may be a break through, either through quiet contemplative time to connect to your deep side or forced on you by...read more

There are new stories on the homepage. Click here to see them.
 
English
Afrikaans
isiZulu

Hello 

Create Profile

Creating your profile will enable you to submit photos and stories to get published on News24.


Please provide a username for your profile page:

This username must be unique, cannot be edited and will be used in the URL to your profile page across the entire 24.com network.

Settings

Location Settings

News24 allows you to edit the display of certain components based on a location. If you wish to personalise the page based on your preferences, please select a location for each component and click "Submit" in order for the changes to take affect.








Facebook Sign-In

Hi News addict,

Join the News24 Community to be involved in breaking the news.

Log in with Facebook to comment and personalise news, weather and listings.