Beijing: The Chinese capital city on Thursday issued an orange alert for air pollution in Beijing for the next three days starting midnight, cancelling outdoor activities in schools and construction projects in the smog-hit city.
The orange alert, the second highest in a four-tier warning system, will be effective from midnight today, according to the Beijing Municipality, the city's air pollution emergency response office.
An orange alert means heavy pollution - PM2.5 density of higher than 150 micrograms per cubic meter of air - for three consecutive days.
When the alert is in force, outdoor activities in schools are to be cancelled, and construction projects suspended.
The smog is expected to disperse Sunday evening when a cold front is forecast to hit the city, according to the city's meteorological authorities....