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2008 Photos
13/5/2008  This is what we breathe......

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View up the Tamar Valley towards Launceston.
Visibility is down to a few Km.
View North from Brady's Lookout
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As smoke lifts almost a month later In comparison

 

and why.......
Note the location of the fires and the wind direction
details below the map.

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13.5.2008  Map courtesy of  Tasmanian Forestry Industries, the ones making the smoke.
24 planned burns.

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13/5/2008 weather courtesy of weather.com.au

 


19/6/2008

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Smoke from Forestry Tasmania High Intensity burn heads
to Tamar Valley for the next few days under the wind direction as shown.

 

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2009 Photos
Nothing has changed.

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6.5.2009 Tamar Valley

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12/5/09 - Tamar Valley smoked out by
FT, PWS & TFS.
The smoke can be seen from space.
Map courtesy of PWS- Minister O'Byrne.
1,700 Ha.  Note the green 'burning now' dots.
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12/5/2009

 

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9/6/2009 - Smoke comes right across the
West Tamar Highway and fills the valleys to Beaconsfield, Tamar valley, and beyond.
Visibility was down to a few Km
Brown dots: Forestry Tas low intensity
smoky burn.
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9/6/2009

 

 

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Smoke blanket in the Tamar Valley during the night. This is what you breathe.
It came up the Tamar River from the burn towards Devonport.
Green dots: Forestry Tas low intensity
smoky burns lit today.
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12/6/2009

 

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Tamar Valley completely smoked out.again today.
Visibility is down to 2Km.

22.6.2009 Forestry Tas. 2 burns still alight.

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22.6.2009 - Tamar Valley smoked out.

 

 

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25/6/2009 - Picture taken from Brady's Lookout.
Smoke is thick and widespread and the township of Exeter is choking.
Visibility is down to less than 1Km.
Picture taken in the other direction. Grindelwald is copping it, so is the West Tamar Highway.
The Tamar Valley is full of smoke and nothing towards Launceston is visable
Visibility is down to less than 2Km.
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Forestry Tasmania - burns still alight 12:20pm
Smoky wet low intensity burns
Forestry Tasmania - burns still alight 18:55pm
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25/6/2009 - Tamar Valley and beyond smoked out.
The original images show exactly how bad it was.

This forest industries smoke has gone on for months, every year, for years.
The NEPM 24 hour Standard for PM10 Particle Pollution is 50ug/m3
Now from the photos above, determine how bad our air quality has been
by using the Visible Air Quality table below:

Visible Outdoor Air Quality Table (VOA)
On a clear day select objects you can see and measure how far away they are on a map.
On a polluted day determine how far you can see and determine what the daily air quality is from the figures below.
Do not use on foggy or damp days.

Visibility 24 hour PM10
ug/m3
1hour PM10
ug/m3
Air Quality
More than 20 Km Less than 50 Less than 80 Good
Less than 20km but more than10Km 51-65 81-175 Unhealthy for sensitive people
Less than 10Km but more than 5Km 66-155 176-300 Unhealthy for all people
Less than 5Km but more than 1Km 156-310 310-500 Very unhealthy
Less than 1Km Greater than 310 Greater than 500 Hazardous

Provided courtesy of  the Victorian Environment Protection Authority.

Many more pics can be seen at http://cleanairtas.com/phpbb/

View the smoke video on youtube

 


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