Table 2 Percent changes in the ambient particulate matter concentrations relative to the values measured during the same periods in 2019
From: Effect of COVID-19-restrictive measures on ambient particulate matter pollution in Yangon, Myanmar
Study sites | Percent changes in PM concentration (%) | ||
|---|---|---|---|
Second period | Third period | Fourth period | |
PM2.5 | |||
MGT | − 75.4 | − 18.3 | − 37.7 |
SOK | − 60.3 | − 19.1 | − 33.3 |
TKT | − 62.0 | − 23.1 | − 11.3 |
PM10 | |||
MGT | − 83.4 | + 0.5 | − 30.9 |
SOK | − 64.3 | + 26.6 | − 25.3 |
TKT | − 65.4 | − 6.5 | − 13.4 |