# IQAir 2022 survey ranked Lahore the world's most polluted major city by annual PM2.5

Date: 2023

_No public text on this fact yet._

## Drivers

- Air Pollution: https://factrail.ai/drivers/air-pollution

## Sources

_Sources are listed on the canonical page._

## Methodology

https://factrail.ai/methodology

Canonical: https://factrail.ai/facts/lahore-iqair-most-polluted-city-2022