1000 aqi is equivalent to cigarettes This evening (July 17) will be dangerous be outside for 50+ million people and here's the cigarette equivalent! This comparison based on Berkeley Earth research that compares the long-term health AQI to Cigarette Calculator
Description
Often, its not the cigarette, but taking a break from work or a stressful situation that creates the real relaxation

North America: 14.3% of cities met the guidelines
Your risk of getting mouth, throat, esophageal or bladder cancer is half of what it was when you smoked
What Does Smoking Do to the Body
