02/25/2026
Everyday Radiation Exposure (approx. μSv)
🍌 Banana — 0.1
🦷 Dental X-ray — ~5
☢️ Chernobyl visit (few hours) — ~3–10
✈️ Flight LA → NYC — ~40
🛫 NYC → London — ~80
🍔 Radiation from food (per year) — ~400
🏥 Mammogram — ~400
🏔️ Living in Denver — ~1,500
☢️ Chest CT scan — ~7,000
🧠 Full body CT scan — ~10,000–20,000
🚬 Smoking 1 pack/day — ~80,000 annual
🌍 Average natural background radiation per year ≈ 2,400 μSv
