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The infection figures used to establish the system are from Johns Hopkins University in Baltimore, and meteorological data, such as humidity and temperature, comes from NASA and the European Centre for Medium-Range Weather Forecasts, the center said.
Environmental temperature and variations of nitrogen dioxide concentration in the atmosphere are two important indicators for predictions on the COVID-19 pandemic. About 60 percent of confirmed global COVID-19 cases occurred in places with a temperature of 5 to 15 C. The pandemic spreads to high latitude in spring and summer, and mid-latitude countries face risks of a second wave of the COVID-19 epidemic this autumn, the research showed.
These recent improvements in air quality have come at a high cost, as communities grapple with widespread lockdowns and shelter-in-place orders as a result of the spread of COVID-19. One air pollutant, nitrogen dioxide (NO2), is primarily emitted from burning fossil fuels (diesel, gasoline, coal), coming out of our tailpipes when driving cars and smokestacks when generating electricity. Therefore, changes in NO2 levels can be used as an indicator of changes in human activity. However, care must be taken when processing and interpreting satellite NO2 data as the quantity observed by the satellite is not exactly the same as the NO2 abundance at ground level. NO2 levels are influenced by dynamical and chemical processes in the atmosphere.
The Covid 19 pandemic was rampant before the reduction of Nitrogen Dioxide.