NEW DELHI: India's air pollution monitors were overwhelmed this week by toxic smog so severe that concentrations exceeded their upper measurement limit, equivalent to 66 times the World Health Organization's recommended daily maximum, regulators said.The admission comes after opposition politicians accused au

NEW DELHI: India's air pollution monitors were overwhelmed this week by toxic smog so severe that concentrations exceeded their upper measurement limit, equivalent to 66 times the World Health Organization's recommended daily maximum, regulators said.The admission comes after opposition politicians accused au