air pollution
These days, people in many cities of the world including India are having trouble breathing, the reason is air pollution. Swiss firm IQAir has shared live rankings of 121 countries regarding this. According to this ranking, the situation is very bad in 2 cities of India and Pakistan. India has 3 cities in the list of 121 countries, among them the national capital Delhi, Kolkata and Mumbai. On November 13, the capital Delhi is at number one in the live ranking of Swiss firm IQAir. AQI has been recorded up to 515 in Delhi today.
Pakistan’s district at number two
At the same time, Lahore district of Pakistan is at number two. The AQI here has been measured at 432. Lahore’s AQI is 432 in IQAir’s live ranking. At the same time, Karachi city of the neighboring country is also included in this list. Karachi has been placed at number 14 with AQI of 147.
list
The city of this country is at number three
Kinshasa of the Democratic Republic of Congo is ranked third among the polluted cities of the world. The AQI here has been measured at 193. At the same time, Cairo city of Egypt was placed at fourth place, its AQI was found to be 184. At the same time, the name of Vietnam’s capital Hanoi is at fifth place in the ranking. The AQI level here has reached 168. At number six is Doha city of Qatar, where AQI level was recorded at 166. Apart from this, the name of Riyadh of Saudi Arabia is at number 7, the AQI here has been recorded at 160.
Name of 2 more cities of India
Nepal’s capital Kathmandu is at 8th place in the ranking list, here AQI level was recorded at 160. At number nine is Mongolia’s Ulaanbaatar city with 158 AQI level. Whereas Mumbai city is at number 10 with AQI of 158. After that comes Kolkata, where AQI 136 was recorded.
list
At the same time, Bangladesh’s capital Dhaka has been placed at number 17. Where AQI reached 122. In this list, the air has been found to be very bad in 7 cities of China.
How bad at what level?
Air pollution levels are usually measured as Air Quality Index or AQI. According to foreign standards, an AQI of more than 200 is considered to be in the ‘very poor’ category and a level of 300 indicates a ‘seriously poor situation’. At the same time, if the AQI level is between 0-50 then it is considered good, if it is 51-100 then it is moderate and if it is between 101-150 then it is considered ‘bad air’ for sensitive groups. Whereas, if AQI is found between 151 to 200 then it is ‘dangerous’. Apart from this, if it is found up to 201-300 level then it is considered ‘very dangerous’ and if it is found more than 301 then it is considered ‘very-very dangerous’.
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