On 27th oct air quality in the city was recorded in “moderate ” category in kali puja.
An AQI between 0-50 is considered as “good” ,51-100 “satisfactory”,101-200 “moderate” ,201-300 “poor”,301-400 “very poor”,and 401-500 “severe”.
They said that, The air quality index in ballygunge was 182,while it was at 111in bidhan nagar at 11pm ,in rabindra sarobar and victoria memorial the air level was 147 and 98 .
After the analysed , the quality of air was under 101-200 “moderate”level. On last kali puja ,the index breached the 250-mark and it was better on this year.
Kalyan rudra as a chief of state polluation control board had said the authorities will be on guard throughout the week to ensure better air quality.