Pollution exceeds permissible limits, the levels crossed the 60 microgram/m3 mark

(G.N.S) Dt. 31 Chennai Between January 1 and 23, the levels crossed the 60 microgram/m3 mark on most days, show readings from real-time air quality monitors Air pollution readings from four ‘Atmos’ real-time air quality monitors installed across the city have shown that between January 1 and 23, on most