Poor air quality in Howrah for last few days; PM10 level reaches 327
The PM10 level in Kolkata reached a high of 227 in the last five days. The PM2.5 level registered a maximum of 113 during the same period.
The PM10 level in Kolkata reached a high of 227 in the last five days. The PM2.5 level registered a maximum of 113 during the same period.
