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In this paper, we analysed real-time measurements of atmospheric CO$_2$ withtotal electricity production and nation-wide restrictions phases due to thenovel coronavirus COVID-19 pandemic, and its effects on atmospheric CO$_2$concentrations. A decline of 3.7% in the global energy demand at about 150million tonnes of oil equivalent (Mtoe) in the first quarter (Q1), of 2020 wasrecorded, as compared to the same first quarter (Q1), of 2019, due to thecutback on global economic activities. Our results showed that: 1) electricityproduction for the same period in the years 2018, 2019, and 2020, shrunk at anoffset of about 9.20%, which resulted in the modest reduction of about(-1.79%), in the atmospheric CO$_2$, to that of 2017-2018 CO$_2$ level; 2) anon-seasonal abrupt; but brief, atmospheric CO$_2$ decrease by about 0.85% inmid-February 2020, could be due to the Phase 1 movement restrictions in China.The results showed that, the reduction in electricity production is significantto the short-term variability of atmospheric CO$_2$. It also highlights thesignificant contributions from China to the atmospheric CO$_2$, which suggeststhat, without the national restriction of activities, CO$_2$ concentration areset to exceed 2019 by 1.79%, but it quickly decreased due to the lockdown, andsustained the reduction for two consecutive months. The results underscore theatmospheric CO$_2$ reductions on the monthly time scale that can be achieved,if electricity production from combustible sources were slashed, which could beuseful for cost-benefit analyses of the reduction in electricity productionfrom combustible sources, and the impact of these reduction to the atmosphericCO$_2$.

Atmospheric CO$_2$ and total electricity production before and during  the nation-wide restriction of activities as a consequence of the COVID-19  pandemic