Reduced Air Pollution during the Prevailing of COVID-19 Pandemic: Five Years Observation and Path Analysis in the Fenwei Plain, Northwest China

<div>Variations of AQI and air pollutants annual mean values in Weinan city (for the convenience of calculation, the CO concentration in the figure is expanded by 100 times).</div>

Advances in Meteorology

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Figure 2

Figure 2: Reduced Air Pollution during the Prevailing of COVID-19 Pandemic: Five Years Observation and Path Analysis in the Fenwei Plain, Northwest China 

Figure 2 | Reduced Air Pollution during the Prevailing of COVID-19 Pandemic: Five Years Observation and Path Analysis in the Fenwei Plain, Northwest China 