With ‘severe’ AQI, 3 Bihar towns India’s most polluted

Air pollution in Bihar remains the worst in the country for the second consecutive day on Saturday. The only three towns in the country where air quality index (AQI) level was in the “severe” category — above the 400-mark — were all in Bihar. The AQI was found to be in “very poor” category at 11 other places in the state on Saturday.