What is the highest level of air pollution ever recorded in a city?

Total nuclear warheads owned by these 2 countries alone counts for nearly 90% of nuclear weapons in the world. Total number of warheads for North Korea and ... Oct 31, 2023 ... The U.S. has the 28th-highest rate of deaths from gun violence in the world: 4.31 deaths per 100,000 people in 2021. That was more than seven ... Dec 12, 2019 ... Almost a quarter of U.S. children under the age of 18 live with one parent and no other adults (23%), more than three times the share of ... The Kuwaiti Dinar is the world's highest-valued currency, reflecting Kuwait's strong economy and abundant oil reserves. Its stability and high exchange rate ... Focus Area ... Since 2002, the United States has had the highest incarceration rate in the world. Although prison populations are increasing in some parts of the ... The most popular Kuwait Dinar exchange rate is the INR to KWD rate. The Indian expat community is very strong in Kuwait, hence the reason for being a popular ... The greatest officially recorded number of children born to one mother is 69, to the wife of Feodor Vassilyev (b. 1707–c .1782), a peasant from Shuya, Russia. Yup, one of the most famous landmarks in the world now has its own HUGE LEGO brick version and it's absolutely enormous. But exactly how big is this latest LEGO ... Most polluted country and region ranking based on annual average PM2.5 concentration (μg/m³) ; 3. Pakistan. 73.7 ; 4. Democratic Republic of the Congo. 58.2 ; 5. When considering the revenues of the IOC from the Olympic Games and FIFA from the World Cup (4-year cycle), the value of the world's most important competitions ...