Air Quality Layer

Whether generated by fossil fuels or forest fires, the atmosphere we breathe is as important as the ground we walk on. Using the Air Quality Index and concentrations of seven particles that are toxic to mammals, this layer shows pollution levels numerically at selected cities, by ‘cloud’ movement regionally, and is updated hourly. All pollution levels can be viewed as a minimap within the larger display or as a heatmap that encompasses the entire world map. See more detailed information here.

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