What is aqicn.org?
aqicn.org is a service that provides real-time air quality index data for cities across many countries. It is used by individuals and communities who want to stay informed about current pollution levels and air conditions in their local areas and globally. People use aqicn.org to view up-to-date air quality information, including pollution levels and forecasts for various cities. The platform also offers access to historical air quality data and rankings, and allows individuals to contribute data from their own air quality stations.