Diurnal and temporal changes in air pollution during COVID-19 strict lockdown over different regions of India.

Environ Pollut · 2020 · PMC7426090 · PMID 32829030

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a decreasing trendno p-value reported

In general, a decreasing trend in PM 2.5 can be observed across all regions because of the winter-spring-summer transition ( Singh et al., 2020 a).

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