World Health organization
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NASA
New Timing for Stubble Burning in India
Every year for decades, long rivers of smoke and haze have spread across the Indo-Gangetic Plain in northern India from October to December. That’s when farmers in Punjab, Haryana, Uttar Pradesh, Madhya Pradesh, and other states burn off plant “stubble” after the rice harvest. When winds are weak and the atmosphere becomes stagnant, the haze can push levels of air pollution several times higher…
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NASA
What is Air Quality?
Clean air is essential for healthy living, but according to the World Health Organization (WHO), almost 99% of the global population breathes air exceeding their guideline limits of air pollution. “Air quality is a measure of how much stuff is in the air, which includes particulates and gaseous pollutants,” said Kristina Pistone, a research scientist at NASA Ames Research Center. Pistone’s research covers…
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