Fig. 2From: Effect of COVID-19-restrictive measures on ambient particulate matter pollution in Yangon, MyanmarPocket PM2.5 sensor [PRO]. A Dimension and color display of the Pocket PM2.5 sensor [PRO]. B Record of PM concentrations at 8:00 AM on Monday in SOK showing color variations for different levels of PM concentrations. From left to right; first period, second period, third period, and fourth periodBack to article page