weather

India winter high unsafe PM2.5 pollution levels compared with summer

Here’s Why Winter Air Quality in India Is so Bad

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Winter air quality in India is hazardous, with PM2.5 pollution levels reach more than 10 times the World Health Organization’s annual limit. Hazy skies and pollution alerts have become the norm during India’s winters. But just why is this? Analyzing India’s Summer & Winter Pollution Levels Data analyzed by Smart … Read more

Does Rain Clear Smoke and Air Pollution?

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There is a common perception that rain will clear smoke and reduce air pollution.  Let’s dive into why there is this perception and whether rain truly does clear smoke and improve air quality. 1. Sometimes after it rains in Beijing, the sky is gloriously blue. When that happens, many people … Read more

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