IQAir’s 2021 report: Mumbai’s pollution level 9 times above WHO limit

2022-03-22 19:16
Last year, the PM 2.5 annual average had worsened in Mumbai. It was 41.3 µg/m3 in 2020 and 45.3 µg/m3 in 2019, said the IQAir’s 2021 World Air Quality Report.