Doha: Rates against the US Dollar as issued on Sunday by Qatar National Bank (QNB) are as follows. According to Qatar News Agency, the buying and selling rates for various currencies against the US Dollar have been released. These rates provide insights into the current foreign exchange market conditions in Qatar. Individuals and businesses looking to engage in currency exchange or international transactions can refer to these rates for guidance. The exchange rates are determined by several factors, including market demand, global economic conditions, and international trade dynamics. As such, they offer a reflection of the economic interactions between Qatar and other countries. These rates are crucial for importers, exporters, and travelers who need to manage their foreign currency requirements efficiently. For more detailed information and updates on the exchange rates, the Qatar National Bank remains a primary source, offering daily updates to ensure that stakeholders are well-informed about the prevai ling market conditions.