India has the highest percentage of oxygen-deficient blood oxygen measurements, with states like Uttar Pradesh, Odisha, Bihar, Andhra Pradesh, Gujarat and Jammu and Kashmir having some of the lowest blood oxygen readings.
The most polluted state, Madhya Pradesh, has an average reading of 27.3.
A further 17 states, with a total of 857 million people, have a reading of less than 5.0.
Here’s a look at the states that have the highest levels of blood oxygen in the world. 1. Madhya