ChemMatters: How NASA keeps tabs on air pollution from space

What flies around the world 14 times a day and can detect global air pollution levels from space? It's NASA's Aura satellite, whose mission is to understand the changing chemistry of the Earth's atmosphere. This remarkable satellite can measure air quality across the entire planet in just 24 hours.
Find out more about Aura, how smog is formed, the future of Earth's ozone hole and much more in our latest episode of ChemMatters.
Produced by the American Chemical Society
with support from NASA's Goddard Space Flight Center

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Please note, billions tons of atmospheric air is trapped inside vehicle tyres and industrial cylinders. As a result entire global environment is suffering. Unleash all the air back to the atmosphere soon. Things will get back to normal, globally.