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Gyaneshwor Haobijam
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Last year, we have witnessed the impact of lockdown of this pandemic on the air pollution level all over the world. On January 30, 2020, India recorded its first COVID-19 positive case in Kerala, which was followed by a nationwide lockdown extended in four different phases from 25th March to 31st May, 2020, and an […]
There are many low cost air quality monitoring devices available in the market which have the same more or less air quality data.
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