CURRENT AFFAIRS

Detailed explanation-1: -While Delhi is at the top of the list of most polluted cities, Faridabad ranks second with an annual PM2. 5 concentration of 95.6µg/m3. Ghaziabad is third with a reading of 91.25µg/m3.

Detailed explanation-2: -Delhi was the most polluted city in 2022, with an annual average PM2. 5 concentration of 99.71 ug/m3 – 2.5 times the safe limit (40 ug/m3) set by the CPCB.

Detailed explanation-3: -Kanpur, known for its shoe industries and leather, tops the list of India’s most polluted cities. The city has the worst air quality in India as confirmed by the WHO. The annual average level of PM 2.5 in Kanpur is 88, which is 17 times higher than the recommended limit of WHO.