What is the effect of dark smoke?

Overall, the researchers calculated that an increase in black smoke of 10 micrograms per cubic metre of air was associated with a 0.9% increase in all types of mortality and a 3.1% increase in respiratory mortality for the following 30-day period.

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One may also ask what is the hottest fire color?

white-blue When all flame colors combine, the color is white-blue which is the hottest. Most fires are the result of a chemical reaction between a fuel and oxygen called combustion. Regarding this, what causes purple smoke in a fire? We contacted Kathryn Sandoe, the spokeswoman for LCSWMA, who said this rare occurrence can happen when a load of trash that contains iodine is being burned. The iodine turns the water vapor coming from the plant into what is called a purple plume.

You can also ask what is the cause of black blue and white exhaust?

The seals on the fuel injectors are prone to breaking down and eventually leak. This can cause a blueish/white smoke to billow from the exhaust. Take a look on your engine bay to see if there are any signs of leakage, usually in the form of black carbon build up. Then, what are the different colors of smoke? Training Bulletin: Reading Smoke Smoke Color Condition White Incipient stage/Smoke with fewer carbon particles/extinguishment Gray Plastics/ Painted/stained surfaces in initial stages of burning Tan/Brown Wood product in initial stages possible structural involvement Black Hydrocarbons/Materials in the later stages of burning

What does color of flame tell you?

How do you get soot out of candle jars? Extinguish the candle and let the wick and wax cool before attempting to clean the candle holder or remove the candle. Dampen a paper towel or soft cloth with water. Soak the candle holder in warm, soapy water. Dampen a soft cloth with rubbing alcohol and rub candles to remove any black smoke or soot from candles.