In what country is the air quality especially terrible right now? Mexico Pakistan England \( \square \) USA

Air quality in Pakistan has been a significant concern in recent years, particularly in cities like Lahore and Karachi. Factors such as industrial emissions, vehicular pollution, and crop burning contribute to hazardous air quality levels, making it a common sight to see people donning masks to protect themselves from PM2.5 and other harmful particulates. Meanwhile, Mexico also faces challenges with air quality, especially in urban areas like Mexico City, where pollution from transportation and surrounding industries can lead to smog. The government has implemented various measures, including pollution alerts and restrictions on vehicle usage, to mitigate these issues and improve the air quality for its residents.