New Delhi, Oct. 25 -- China did not figure among the ten countries with the highest per capita PM 2.5 exposure in the world, a ranking India topped, a reality that experts say reinforces the need for the latter to take concerted, ambitious actions that may be the only way to address a persistent problem that affects the lives hundreds of millions of people.

The State of Global Air 2020 report released earlier this week shows that China is now among the top 30 countries for pollution exposure, but it still bears a huge health burden owing to demographic factors. China recorded 1.42 million premature deaths attributed to PM 2.5 exposure, compared to 980,000 in India in 2019, according to the report.

Together, the two countries accounted for...