The Greenpeace and AirVisual analysis of air pollution readings from 3,000 cities around the world found that 64% exceed the World Health Organization’s annual exposure guideline for PM2.5 fine particulate matter – tiny airborne particles, about a 40th of the width of a human hair, that are linked to a wide range of health problems.

90% of people breathe polluted air; New Delhi is world’s most polluted big city, Beijing eighth

90% of people breathe polluted air; New Delhi is world’s most polluted big city

Advertisements