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Smog in the North has little chance of inducing cancer


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Posted

NIDA: Smog in the North has little chance of inducing cancer

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BANGKOK 12 March 2014 (NNT) —The National Institute of Development Administration (NIDA) has reported that smoke from forest fires has less chance of inducing cancer than automobile exhaust fume.

According to a NIDA study concerning the debris found before and after forest fires in the North, generally known as Smog 9 Crisis, cancer-causing dust particles of under 2.5 Microns are not as carcinogenic as one may think — saying that exhaust fume from automobiles is more likely to cause cancer.

NIDA stated that, based on their data of collecting small particles of under 2.5 Microns, small dust particles that cause cancer are related to PAH, within which there is another substance called B(a)P, is the main cause of cancer.

However, after collecting data of air quality from the northern regions, NIDA reported that people in the 9 provinces of the North were more prone to cancer than their counterparts in Singapore, Belgium and the United States; but have lesser chances of having cancer than Hong Kong, Sua Tao, and Guangzhou in China.

NIDA also reported that, despite the profuse smoke from the burning of forest fires, people are more likely to get cancer from automobile exhaust fume than smoke from forest fires.

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-- NNT 2014-03-12

Posted

"but have lesser chances of having cancer than Hong Kong, Sua Tao, and Guangzhou in China".

Ah ha that's the reason for so many Chinese, they are here to take in the air.

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Posted

^ No need; nobody is saying that there is. But they measure these pollutants too, going back 15+ years, so feel free to have a look and tell us how Chiang Mai is doing, and if thats better, worse or typical for a city this size. I honestly don't know; as these pollutants never were the main cause in achieving an unhealthy AQI I never looked at it.

Posted

Surely ,forest fire smoke AND vehicle emissions can not be look at

as separate entities,as they both happen at the same time,and

together cannot be good for anyones health .

regards Worgeordie

Posted

You can (should) look at the combined effect of course, but what I meant was that the main pollutants in diesel fumes are NOx, CO, O3 in addition to particulates. pollution levels of those aren't usually high for Chiang Mai, though Ozone sometimes spikes. The particulates get registered in addition tot the haze particulates of course, which is probably why the downtown readings are a little higher than the out of town (Mae Rim) readings, though it's a very small increase.

I never looked at NOx / CO / O3 over time. Maybe someone with some spare time can enter it in Excel and do a graph to show what's happening here. (On the one hand there are of course lots more cars, on the other hand cars are getting cleaner, AND people are a lot more likely to buy passenger (petrol) cars over pick-ups (diesel) these days. It may be interesting to see what the net effect is, but as these pollutants rarely contribute to a bad AQI I'm not sure if anyone has ever bothered (other than at the government PCD of course)

Posted

I am glad to read this. However, I can't imagine smoke in your lungs are good. crazy allergies, particles trapped in your lungs. We all know it makes you feel worse. OK, it might not be cancer that kills you, but your health (including mental health) will certainly deteriorate. no lung cancer. Check. 1,200 other possible harmful affects, pending.

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