As per the India Meteorological Department (IMD), orange alert for fog has been issued for several districts of Bihar on Wednesday (24 January) and Thursday (25 January).

• On Wednesday (24 January), the affected districts include West Champaran, East Champaran, Gopalganj, Siwan, Sheohar, Sitamarhi, Madhubhani, Darbhanga, Muzaffarpur, Saran, Vaishali, Samastipur, Begusarai, Buxar, Bhojpur, Patna, Lakhisarai, Sheikhpura, Nalanda, Nawada, Jehanabad, Arwal, Kaimur, Rohtas, Aurangabad, and Gaya. Yellow alerts are issued for the remaining districts.
• On Thursday (25 January), the affected districts include Kaimur, Patna, Buxar, Bhojpur, Nalanda, Nawada, Begusarai, Lakhisarai, Sheikhpura, Gaya, Arwal, Aurangabad, and Rohtas. Yellow alerts are issued for all remaining districts.
• On Friday (26 January), yellow alerts are issued for all districts.