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Particulate matter air pollution as a cause of lung cancer: epidemiological and experimental evidence British Journal of Cancer Low cost PM2.5 Sensors: An Assessment of their Suitability for Various Applications Aerosol and Air Quality Research Planning to take a smoke break? Just breathe in Pune's air which equals 9.1 cigarettes a day Hindustan Times 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

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