red alert
China smog sparks red alerts in 10 cities
Hazardous smog blanketing China's north-east sparks more red alerts, with authorities advising residents in 10 cities to stay indoors.
Beijing issues second ever pollution "red alert"
Beijing authorities have issued a second pollution "red alert", little more than a week after its first ever such warning.
China pollution: First ever red alert in effect in Beijing
Schools in Beijing are closed and outdoor construction halted as the Chinese capital's first ever pollution "red alert"red alert" came into effect.
China smog sparks red alerts in 10 cities
Hazardous smog blanketing China's north-east sparks more red alerts, with authorities advising residents in 10 cities to stay indoors.
Beijing issues second ever pollution "red alert"
Beijing authorities have issued a second pollution "red alert", little more than a week after its first ever such warning.
China pollution: First ever red alert in effect in Beijing
Schools in Beijing are closed and outdoor construction halted as the Chinese capital's first ever pollution "red alert"red alert" came into effect.