Bairia, Madhubani most polluted areas in Bihar in November, improved monitoring network shows
CPCB bulletins reveal that parts of Bihar were among the most polluted in India this month. Begusarai recorded six ‘severe’ air quality days (AQI of 401 to 500) till Dec 28, while Purnia recorded three such days, the same as Delhi’s three ‘severe’ air days.
Source: indianexpress.com