SpecialsApr 17, 2026, 2:34 PM ISTApr 17, 2026, 2:34 PM IST
Smoke from an oil refinery fire is made up of many different pollutants. The exact mix depends on what material is burning, how hot the fire is, and how long it lasts.
Image for representation. iStock.

PTI
SpecialsApr 16, 2026, 12:11 PM ISTApr 16, 2026, 12:11 PM IST

Team Udayavani