Why are air pollution levels higher in Mexico City than in other similarly populated cities?(I kinda need this answer like now loll)

Why the air pollution is higher in Mexico City than other similarly populated cities because the vehicle gas, the waste burning, the coal mining, and factories used.

increased motorization and industrial activities, vehicle emissions, waste burning, and the mining and petroleum industries. Mexico city has a population of about 21 million, the higher the population the worse the air pollution is.

Explanation:

the tariff was created to protect industry in the northern part of the united states. industries in the north were being driven out of business by imported goods that were priced at a low rate. the goal was to protect these industries   by taxing the goods.

in the 1800s, locomotives powered by steam made transportation faster and cheaper. the resulting rapid growth of railroads led to the connection of the atlantic and pacific railroad in oklahoma city in 1897.

in the last years of the century, the improvement of steam-based engines the expansion and growth of railroads. this growth increased when the companies started to build and expand, such as the atlantic and pacific railroad, which connected new mexico with california, and missouri with oklahoma. many of these new networks were built in oklahoma, and these changes transportation henceforward.