Table 3.
Mean and reduction percentage in PM2.5 concentration for countries during lockdown period in 2020 and 2019
| Sr. no. | Countries | Mean of PM2.5 concentration (μg/m3) | Percentage reduction in PM2.5 concentration due to lockdown (%) | |
|---|---|---|---|---|
| 2020 | 2019 | |||
| 1 | Brazil | 34.32 | 38.99 | 12.0 |
| 2 | India | 67 | 80.18 | 16.4 |
| 3 | Iran | 43.78 | 51.09 | 14.3 |
| 4 | Kenya | 27.36 | 30.5 | 10.3 |
| 5 | Malaysia | 46.59 | 55.08 | 15.4 |
| 6 | Mexico | 39.61 | 54.49 | 27.3 |
| 7 | Pakistan | 44.23 | 51.23 | 13.7 |
| 8 | Peru | 29.18 | 30.71 | 5.0 |
| 9 | Sri Lanka | 35.98 | 54.66 | 34.2 |
| 10 | Thailand | 80.69 | 85.19 | 5.3 |