And he turned again to state media, inviting a Hebei television reporter to investigate.
Eight years ago, he moved from his native Hebei province to Beijing with his seamstress wife and eldest daughter.
The most affected areas will be the provincial-level cities of Beijing, Shanghai, and Tianjin plus Hebei, Jiangsu, and Zhejiang provinces.
Huang had been in close contact with ducks at a market in Hebei Province, which neighbors Beijing, on December 19.
Wuqiao County, in the flat farmlands of Hebei Province on the North China Plain, is home to dozens of acrobatic schools.
In Hebei province, which surrounds Beijing, dozens of cases have emerged among migrant labourers returning to their rural homes from the capital.
The Beijing Municipal Environmental Monitoring Center said high pollutions were also recorded in others parts of China, including Tianjin and Hebei province.
Early last year the Politburo ordered the Hebei provincial authorities to investigate.
Hengshui is located in Hebei, a neighboring province to Beijing, and has an urban population of 460, 240, and a total population of 4, 340, 373.
For over 20 years, rubbish has been dumped into a ravine near Hebei province's Juhe River, which supplies water to the capital, the newspaper says.
The spear tip of Nokia's distribution network in China is a van that leaves every afternoon from Zhuo Zhou city in northern China's Hebei province.
The worst affected city was Shijiazhuang, capital of northern Hebei province.
Her 61-year-old sister, on the other hand, still lives in the neighbouring province of Hebei, where she collects a meagre pension of 80 yuan a month.
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The city of Cangzhou, in Hebei province, decided a few years ago that its path to prosperity lay in making itself a centre of the chemical industry.
In the north Ningxia, Shanxi, Hebei and Gansu are drought-stricken.
Insiders believe that Xi will be a cautious reformer based on his history in the party in four different provinces Fujian, Hebei, Shaanxi and Zhejiang over the last three decades.
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We are starting the emergence of a Greater Beijing Metropolitan Area, along the lines of the Greater Tokyo Area, stretching east, north and south into Hebei and Tianjin.
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Xi's early political career took him from his native province to Hebei and later Fujian, where he served as vice governor in 1999, before being promoted to governor a year later.
Earlier this month a group of seminarians at the Hebei Catholic Theological and Philosophical Seminary in the city of Shijiazhuang, 300km (185 miles) south of Beijing, mounted an unusually open protest.
ECONOMIST: The party tightens its grip on the Catholic church
Situated in the southeast of Hebei, Hengshui is about 250 kilometers (155 miles) south of Beijing, where residential real estate sells for RMB 22, 946 per square meter, or nearly ten times higher.
Elsewhere, Global Times tells of an ongoing "media war" between the Voice of the People newspaper - set up by villagers in Nangaoying in Hebei - and the village authorities' Gaoying Bao.
With the support of teachers, all 102 of the school's seminarians went from their campus on the dusty industrial outskirts of Hebei province's capital to the downtown office of the government's religious-affairs bureau.
ECONOMIST: The party tightens its grip on the Catholic church
In a project that covers several parts of arid and semi-arid China Beijing, Hebei, Qingdao and Shenyang, as well as the Hai basin and the smaller Turpan basin the World Bank has been promoting water conservation.
Hebei produces more steel than all of Europe.
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Sounding a little embarrassed, Mr Li admits this is the first year he has attempted to work as a fake boyfriend instead of travelling home to see his own family in China's central Hebei province.
The Beijing News backs a proposal by the capital's mayor to follow the example of the Yangtze River Delta and Pearl River Delta regions and set up a joint air pollution control system between Beijing, Tianjin and Hebei.
Life in Beijing is much better than back in rural Hebei, says Li: his wages cover the family's rent, tuition for the underground school for migrant children that his kids attend, as well as the odd night of karaoke.
The environmental protection chief of Cangxian county in northern Hebei has quit after initially dismissing villagers' complaints over the deaths of around 700 chickens from drinking foul-smelling polluted underground "red water" in the region since last November, notes China Daily.
Perhaps sensitive to the tenor of conversation online, China's Ministry of Finance announced on Sunday that the central government had allocated 120 million yuan to help Beijing, the coastal city of Tianjin and the northern province of Hebei fight floods, Xinhua reported.
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