| The 
				failures highlight the challenge Beijing faces in cleaning the 
				nation's notoriously toxic air during the winter when smog 
				blankets colder regions as people crank up their heating.
 The concentration of hazardous breathable particles, known as 
				PM2.5, in Handan in Hebei province rose by an average of 8.8 
				percent in October and November, the Ministry of Environmental 
				Protection (MEP) said in a statement on Monday.
 
 The city ranked at the bottom of 28 included in the government's 
				six-month winter campaign to curb air pollution, which includes 
				targets to cut PM2.5 by 10-25 percent each month compared with 
				last year's levels.
 
 The MEP said the other cities failing to hit targets were: 
				Jincheng and Changzhi in Shanxi province; Jining and Heze in 
				Shandong; and Kaifeng, Puyang and Zhengzhou in Henan.
 
 However, the data also showed that in November average PM2.5 
				levels across the 28 urban areas dropped by 22.6 percent to 65 
				micrograms per cubic meter.
 
 This year, Beijing has ordered millions of households to convert 
				to gas or electric heating from coal and eliminated 44,000 
				coal-fired industrial boilers across the 28 cities included in 
				the winter campaign.
 
 But recent gas shortages have forced the MEP to scale back its 
				ban on burning coal in some households, fuelling concerns over a 
				possible rebound in air pollution.
 
 "Local governments should reinforce inspections and take more 
				targeted measures to ensure meeting the air pollution 
				improvement targets," the MEP said in its statement on Monday.
 
 It also warned that the coming three months will be crucial for 
				its anti-pollution campaign, with weather conditions such as a 
				lack of wind potentially making it more difficult to clear dirty 
				air.
 
 (Reporting by Muyu Xu and Josephine Mason; Editing by Joseph 
				Radford)
 
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