Beijing will expand funding to reduce air pollution in 2017, including phasing out thousands of automobiles and replacing coal furnaces in hundreds of villages, media report said on Saturday.

So far in March, more than 10 days of clear, blue skies have been recorded. There were 198 such days last year and 186 in 2015, according to the Beijing Environmental Protection Bureau.

In addition, the number of days with severe air pollution mainly due to a high concentration of PM2.5-particulate matter of 2.5 microns deemed dangerous to human health-fell to 39 last year, down from 46 in 2015, 47 in 2014 and 58 in 2013, media reported.

PM2.5 is used as a major index to record the concentration of the six major airborne pollutants.

"Beijing saw its average PM2.5 level lowered to 73 micrograms per cubic meter in 2016, a year-on-year decrease of 9.9 per cent," said the Chinese capital's mayor, Cai Qi, giving credit to existing measures such as reducing coal consumption and the number of vehicles.

The municipal government plans to spend up to 18.2 billion yuan ($2.6 billion) this year on stronger pollution-control measures, the Beijing Finance Bureau said. 

In 2014, the special allocation for air pollution was 12.9 billion yuan.

"We will crack down on air pollution with an iron fist ... to meet the public expectation of blue skies," media quoted.

Among those measures are subsidising drivers, as about 300,000 old vehicles with excessive exhaust will be banned from the roads; and helping 700 villages replace coal-fired boilers with clean energy such as electricity and gas, which would eliminate coal consumption in the downtown districts and southern regions.

"In 2017, Beijing will lower its coal consumption (including for industrial production and heating) by 30 per cent, with the total amount falling to less than 7 million metric tons," Cai added.