India 8th most polluted country; home to 39 of 50 most affected cities: Report
India’s annual average PM2.5 level in 2022 was 53.3 μg/m3, only slightly lower than the 2021 average of 58.1, says a survey by Swiss air purifier maker IQAir
India’s annual average PM2.5 level in 2022 was 53.3 μg/m3, only slightly lower than the 2021 average of 58.1, says a survey by Swiss air purifier maker IQAir
