Pakistan: Satellite images show smog over Punjab visible from space - as record levels of air pollution recorded
Satellite images show that smog in Pakistan can be seen from space, as the country battles record levels of air pollution.
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Michigan city named one of the most polluted places in the US, air quality study finds
In a new report, IQAir ranked more than 7,800 locations worldwide based on data collected from thousands of air quality monitoring stations ... New NOAA forecast map predicts warm 3 months ahead in ...