- According to the ‘Global Air Quality’ study published by the Swiss company IQAir, India fell from the fifth to the eighth most polluted nation in the world in 2022.
- The research shows that the PM2.5 level in the most polluted Indian cities is 53.3. The two Indian cities that made the list of the most polluted cities in the world are Bhiwadi, which is a suburb of Delhi, and Delhi, which was not far behind at 92.6. At the same time, 39 out of 50 cities in the list of most polluted cities are from India.
- According to the World Health Organization (WHO) guidelines, the annual average PM2.5 level should be 5 µg/m3 or less but India’s annual average PM2.5 level in 2022 was 53.3 µg/m3, which was 10 times more than the safe limit and only slightly below the 2021 average of 58.1.
- Bhiwadi in Rajasthan was the most polluted city in India, with an annual PM2.5 level of 92.7 μg/m3, while 39 of the 50 most polluted cities in the list are from India.
Most polluted countries in the world:-
- Chad
- Iraq
- Pakistan
- Bahrain
- Bangladesh
- Burkina Faso
- Kuwait
- India
- Egypt
- Tajikistan
