The Philippine Space Agency (PhilSA) reported that the ashfall from Mayon Volcano has covered over 8,500 hectares, an area roughly half the size of Quezon City.

The Philippine Space Agency (PhilSA) reported that smoke from a landfill fire in Navotas, which started on April 10, spread as far as Bataan the following morning, based on satellite data.

The Philippine Space Agency (PhilSA) reported that nitrogen dioxide levels in Metro Manila have fallen below those recorded before the Navotas City landfill fire on April 10. The decline coincided with reported "si" (likely referring to "smog" or "smoke" dissipating).

The Philippine Space Agency (PhilSA) reported that air quality in Metro Manila has not returned to normal levels nearly two weeks after a landfill fire began in Navotas City.