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23 June 2005 - Defra Summer Smog Warning
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The Department for Environment, Food and Rural Affairs (Defra)
has issued a warning that from today 23rd to 25th June (Saturday), a summer smog
is likely to persist in London, the south-east, East Anglia and central England.
Some people are more sensitive to air pollution than others,
particularly those with heart and lung disease, who may notice an effect on
their breathing. Summer smog is produced by sun acting on substances
in the lower atmosphere such as car fumes and solvents, producing ground level
ozone and can also contain elevated levels of nitrogen dioxide and breathable
dust (particulates).
Defra urges that sensible precautions can reduce exposure to
ozone like:
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avoiding exercise outdoors in the afternoon
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avoiding making unnecessary short car journeys wherever
possible, by walking, cycling or making use of public transport instead
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If you must drive, switch off the engine if you expect to be
stationary for more than a couple of minutes, and drive smoothly - it will save
you fuel and money and you will emit less pollution
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try not to overfill the petrol tank and spill petrol - this
evaporates and releases hydrocarbons that are toxic and form ozone
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buying water-based or low-solvent paints, glues, varnishes, and
wood preservatives wherever you can
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avoiding burning solid fuels if you can
Ben Bradshaw, Minister for Local Environmental Quality
commented:
"Air pollution, combined with the recent warm and sunny
weather has led to a summer smog. "People sensitive to air pollution, such as
those with heart and lung disease, should be aware of the heightened risk to
their health so they can take sensible precautions, such as avoiding exertion
outdoors on hot afternoons."
"Air pollution is something that can affect human health. During
the 2003 heatwave, it was estimated, on the basis of previous work, that up to
800 premature deaths may have occurred as a result of the poor air quality.
"Fortunately, such episodes are becoming less frequent and severe due to large
reductions in pollution from vehicles and industry following tighter regulation
in the last few decades."
Health Advice
The following advice on health applies when air pollution is "high" or "very
high".
"During episodes of air pollution experienced during the summer in the United
Kingdom, levels of ozone, nitrogen dioxide and particles may be raised. Most
people will experience no ill effects. Those suffering from lung diseases
(including asthma) particularly if elderly should be aware that their symptoms
might worsen. They may need to consider modifying their treatment as they
usually do when symptoms increase, consulting their doctor if this is not
effective.
"People who have noticed in the past that their breathing is affected on hot,
sunny days should avoid strenuous outdoor activity, particularly in the
afternoon. Children with asthma should be able to take part in games in the
usual way, although they may need to increase their use of reliever medicines
before participating. There is no need for them to stay away from school.
"Those suffering from a heart condition and who notice a change in their
symptoms should get medical advice as they normally would."
Regular updates on levels of particulate matter (PM10),
sulphur dioxide, nitrogen dioxide, ozone and carbon monoxide are available on:
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TELETEXT (page 156),
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the Internet
www.airquality.co.uk (Air Quality Information Archive)
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Defra freephone helpline - 0800 556677 - which also offers
health advice to those who may be particularly sensitive to air pollution.
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