Delhi air quality worsens ahead of Diwali as firework restrictions enter force
On Wednesday morning, Delhi's air quality index reading stood at 377, in the "very poor" category.
原文出处：BBC World （本文由聚合程序自动采集，版权归原作者所有）
On Wednesday morning, Delhi's air quality index reading stood at 377, in the "very poor" category.
原文出处：BBC World （本文由聚合程序自动采集，版权归原作者所有）