New Delhi: The level of air pollution in Delhi seems to be rising continuously, creating a health emergency problem here. Experts have suggested people stay indoors. Pollution is currently involved not only in India but also in the concerns of the entire world. At a time when conferences like COP26 are having serious discussions on climate change.

Meanwhile, the Swiss-based climate group IQAir's air quality and pollution city tracking service have released a list of the world's most polluted cities, three of which are from India. The list also includes territories of Pakistan and China. Delhi tops the list with 556 air quality. Kolkata is fourth on the list and Mumbai is sixth. Cities with the worst AQI index include Lahore in Pakistan and Chengdu in China.

According to IQAir, 10 cities with the worst air quality and pollution rankings are:-

1- Delhi, India (AQI: 556)
2- Lahore, Pakistan (AQI: 354)
3- Sofia, Bulgaria (AQI: 178)
4- Kolkata, India (AQI: 177)
5- Zagreb, Croatia (AQI: 173)
6- Mumbai, India (AQI: 169)
7- Belgrade, Serbia (AQI: 165)
8- Chengdu, China (AQI: 165)
9- Skopje, Northern Macedonia (AQI: 164)
10- Krakow, Poland (AQI: 160)

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