São Paulo Suffocates Under World’s Worst Air Quality Amid Fires and Heat

On September 9, São Paulo’s air quality hit dangerous levels, largely due to wildfires, intense heat, and low humidity. By 10 a.m., the city had the worst air quality in the world, with an index of 160. This put it ahead of notoriously polluted cities like Lahore and Ho Chi Minh City. Key areas of […]