The cause of the smoke
.Smog is caused by combustion. The important thing is the occurrence of forest fire were many times for both domestic and from the neighbouring country, burning the waste to prepare สำหรับการเพาะปลูก agricultural areas during the rainy season, the burn area.And the vegetable, burning waste and fire to warm, burning. These problems particulate and gas harm. Such as sulfur dioxide, carbon monoxide and nitrogen dioxide in the atmosphere.Haze pollution north is one of the serious air pollution problems of the country, according to the terrain that is Pan Pan And the climate in winter with high pressure and dry weather still is a long time.
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