Figure 6. Day-wise AQI, temperature (°C) and rainfall (mm) before lockdown in the month of COVID-19 spread out in 2020 and during the same periods in 2018 and 2019 (Note: The horizontal line indicates the standard limit of AQI set for Bangladesh)

From

COVID-19 Induced Lockdown Consequences on Air Quality and Economy - A Case Study of Bangladesh

Sajal Roy, Nasrin Chowdhury, Mohammad Mamun Morshed Bhuyan

Journal of Environment Pollution and Human Health. 2020, 8(2), 55-68 doi:10.12691/jephh-8-2-3