Kolkata's AQI improves significantly during 'Janata Curfew'

Kolkata's air quality showed a significant improvement on Sunday, with most people remaining indoors to observe 'Janata Curfew' in view of coronavirus outbreak, officials said.

PM 2.5 air quality index (AQI) was 'satisfactory' in all automated air monitoring stations in city during day, an official of West Bengal Pollution Control Board said.

PM 2.5 AQI reading at Ballygunge air monitoring station was 64 on Sunday on while that in Bidhannagar was 74, official said.

It read 57 at Fort William, 64 at Rabindra Bharati University, 45 at Jadavpur and 64 at Rabindra Sarobar air monitoring stations, he said. PM 2.5 levels hovered between 150 and 250 (moderate to severe range) across all air stations till very recently, official said.

For past two days, city's aver AQI was between 70 and 110, he said. " or side of coronavirus outbreak is lower emission of pollutants in air due to near-total shutdown, with a few very vehicles plying roads," official added.

Im Credit PTI