OpenAQ

OpenAQ is a global platform that collects, shares, and visualizes air quality data from various cities and countries worldwide. It gathers real-time information from sensors and official monitoring stations, making it accessible to the public, researchers, and policymakers. By providing transparent and open data on pollutants like PM2.5, NO2, and ozone, OpenAQ helps raise awareness about air quality issues, supports scientific studies, and promotes better decision-making for public health and environmental protection. Essentially, it acts as a centralized hub for understanding air pollution patterns across the globe.