AIR POLLUTION WOE Taal Volcano, shown in this photo taken from Tagaytay City in May, remains under alert level 1 or low level of unrest. Volcanic smog or vog from Taal has worried residents of towns and cities surrounding the volcano in Batangas due to its impact on their health. —REM ZAMORA The provincial government of Batangas has expressed alarm over the presence of volcanic smog or vog from the continued sulfur dioxide (SO2) emission from Taal Volcano , which has already caused schools in some areas in the province to shift to distance learning to protect their students' health.

https://newsinfo.inquirer.net/1835094/batangas-folk-fear-health-risks-from-taal-vog

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