pm2.5 cigarette smoke Average levels of PM 10 , PM 2.5 & PM 1 measured in scenario 1 where Wildfire smoke contains tiny PM2.5

Wildfire smoke contains tiny PM2.5 particles that can pose serious health risks. Here's how you can compare prolonged smoke exposure to smoking cigarettes and what it means. FULL STORY The haze outside isn't "just" smoke. It's made up of tiny particles called PM2.5. This is particulate matter that is 2.5 micrometers or smaller. These particles are so small that about 30 pm2.5 cigarette smoke Thailand's Air Pollution: How Many Cigarettes Are You Indirectly Smoking? Air Pollution Cigarette Equivalent Dr Artima Medical Clinic Air Quality Archives American Nonsmokers' Rights Foundation

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