Mexico City- Environ
The problem is made
worse by the geography
of the region.
• The city lies in a basin
surrounded by
mountains and frequent
thermal inversions trap
pollutants at ground
level.
1. Why do you think the
surrounding land would
make air pollution worse in
Mexico City?
Mexico City

Such a rapid and unexpected growth led to the UN declaring Mexico City as the most polluted city in the world in 1992. This is perhaps due to Mexico City's high altitude (7382 ft above sea level), its oxygen levels are 25% lower and fuels do not combust completely.

Explanation:hope it helps