The New York Times has created a series of data visualizations illustrating air pollution levels worldwide. The visualizations demonstrate the worst air quality days of the year for different cities. For example, both Washington, DC and Brussels had air pollution levels that the U.S. Environmental Agency considers unhealthy on their worst air quality days of 2019. The visualizations also show how events such as wildfires in California, dust storms in western China, and seasonal crop burning in India caused spikes in poor air quality.
Visualizing the Worst Air Pollution Days of 2019
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