Mexico City International Airport than Bogotá-El Dorado and 44.65% more than São Paulo-Guarulhos. It is the 15th busiest airport in the world in terms of aircraft departures. In 2016, the airport handled 448,147 aircraft operations, an average of 1,227 operations per day. Regarding cargo, the airport is also the busiest in the country and the second busiest in Latin America, after El Dorado International Airport in Bogotá. During 2017, it moved over 537,262.69 tons, an annual increase of 11.13%. The net growth of 53,000 tons was the biggest in the region. Terminal 1 is connected to Terminal 2 by the Aerotrén monorail system in
Mexico City air becoming cleaner since 1991, when the air quality was declared to be a public health risk for 355 days of the year. Mexico City is one of the most important economic hubs in Latin America. The city proper produces 15.8% of the country's gross domestic product. According to a study conducted by PwC, Mexico City had a GDP of $390 billion, ranking it as the eighth richest city in the world and the richest in Latin America. Mexico City alone would rank as the 30th largest economy in the world. Mexico City is the greatest contributor to the country's