Hohhot in Inner Mongolia is going greener by the day. Official say it has seen progress in its pollution control efforts. [Photo/Hohhot Daily]

Since 2017, the capital city of North China’s Inner Mongolia has been making relentless progress in controlling its pollution, according to local officials.

They said that more than 400 members of staff in the city have been working in factory workshops, fields, street markets and other places -- engaged in carrying out the second national pollution source census in Hohhot.

Officials said the census -- consisting of identifying information on various types of pollution sources and fully grasping the quantity, structure and distribution of pollution sources -- is vital to pollution prevention and control.

On Aug 1, 2017, the Hohhot municipal government established the second national pollution source census lead group and set up an office to actively carry out the second national pollution source census in Hohhot.

Officials said that the data was finalized on Dec 25 last year after various preliminary preparations, data collection and data base building, household surveys, data reviews and rectification, inventory comparison verifications -- as well as pollutant production and discharge calculations and data summaries.

During the current year, the Office of the Leading Group of the Second National Pollution Source Census Work in Hohhot issued the Notice on the Implementation of the Acceptance of the Second National Pollution Source Census Work in Hohhot and established a census work acceptance group.

Officials said that from Jan 6-20 -- after listening to the report, reviewing the documents, combined with the pre-preparations and inspections, spot checks and census quality inspections -- the second national pollution source census was checked and accepted.

They added that the Summary Report on the Second National Pollution Source Census Work of Hohhot and the Data Analysis Report on the Second National Pollution Source Census Work of Hohhot have now been prepared.

On April 24, the census of pollution sources in Hohhot successfully passed acceptance by the Pollution Source Census Office of the autonomous region.