A Look at the Dark and Mysterious Side of Mexico

Air pollution in Mexico City can reach extreme levels, sometimes so bad that birds reportedly fall from the sky mid-flight. The city’s high altitude, surrounding mountains, and dense traffic trap smog in the air, creating toxic conditions that irritate lungs and reduce visibility across the sprawling metropolis.

Authorities occasionally declare environmental emergencies, closing schools and factories while urging people to stay indoors. The pollution has improved somewhat in recent decades but remains a persistent health threat. For residents, the sight of hazy skies is a daily reminder of the city’s ongoing struggle with air quality.