<span style="color: #222222;">Schools in the national capital will remain closed today and tomorrow in view of deteriorating air quality.<br />'' <br />'' The Delhi government's decision follows an order from Environment Pollution (Prevention and Control) Authority as the air quality hovered close to emergency levels.<br />'' <br />'' The Authority has also extended the ban on hot-mix plants and stone-crushers in Delhi-NCR till tomorrow.<br />'' <br />'' All coal and other fuel-based industries, which have not shifted to natural gas or agro-residue, will remain shut in Faridabad, Gurugram, Ghaziabad, Noida, Bahadurgarh, Bhiwadi, Greater Noida, Sonepat and Panipat till tomorrow.<br />'' <br />'' In Delhi, industries which have not yet shifted to piped natural gas, will not operate during the period. </span>