Vog or volcanic smog continues to be observed in Taal Volcano with 5,128 tons of sulfur dioxide emitted on August 20, the Philippine Institute of Volcanology and Seismology said Wednesday.

Phivolcs said a large emission reached 2,100 meters and drifted to the northwest and north-northwest.

No volcanic earthquake was recorded. 

Taal Volcano remains on Alert Level 1, state seismologists said. 

CLASS SUSPENSIONS 

A total of 2,685 schools in Calabarzon have suspended in-person classes due to the volcanic smog or vog from Taal Volcano, based on data from the Department of Education (DepEd), as of 11 a.m. of August 21.

This affected 2,850,095 learners and 89,575 school personnel in the said region.

The date of resumption of in-person classes in the affected schools has yet to be announced, the DepEd said.

Meanwhile, in-person classes were also suspended in 28 schools in Mimaropa due to the vog and 254 schools in Metro Manila due to the pollutant-induced haze. 

#WalangPasok: Class suspensions for Aug. 20, Tuesday, due to volcanic smog

Over 40 LGUs suspend face-to-face classes due to Taal smog

In-person classes resumed in the Metro Manila schools on August 20 and in the Mimoropa schools on August 21. 

Schools that suspend in-person classes may shift to alternative delivery mode, which includes the use of learning modules and online classes.