The press conference is on the scene. The great wall news reporter
On the morning of july 7th, 2021, the great wall news service (journal feng zhou) announced that it would be the first time that the country's economy had been builtTangshanThe city of tangshan's environment in 2020Press conferencesI don't know. The launch was hosted by sun wei gwang, a fourth-level researcher in the communications department of the tangshan city council, and the zheng national army, deputy director of the department of eco-environment of tangshan city, issued a bulletin on the state of the environment in tangshan 2020。
According to the tangshan state of the environment bulletin 2020, in 2020, tangshan city urban environmentAir qualityThe highest levels of monitoring have been recorded, the quality of the water environment has improved significantly, with a high water quality profile of 77. 8 per cent. The quality of drinking water sources and groundwater at the county level and above meets the water quality standards in category iii and above. The acoustic environment has generally remained stable, the radiation environment has generally been of good quality and ecological conditions have improved。
There has been significant improvement in ambient air quality. In 2020, the city of tangshan carried out 366 days of monitoring of ambient air quality and 249 days of excellent urban ambient air quality, 40 days of excellent air quality and 209 days of good weather, with a rate of 68. 0 per cent. The number of good days throughout the year increased by 28 days compared to the previous year, with 12 days for excellent days and 16 days for good days. 9 days of heavy contamination throughout the year, with no serious contamination. Urban air quality composite index 5. 87 is 10. 2 per cent lower than in 2019. The average concentrations of pollutants pm2. 5, pm10, so2, no2, co and o3-8h decreased by 9. 3%, 12. 9%, 18. 2%, 9. 8%, 13. 8% and 4. 2% respectively from 2019. In 2020, ambient air quality improved significantly in 14 counties (municipalities and districts) across the city, with west county, cao chongtian district and lottin county being the top three。
There has been a steady improvement in the quality of aquatic ecosystems. In 2020, the average annual quality of water in nine countries and provinces throughout tangshan was achieved and reached the highest level ever. Seven of these faults reached category ii, the proportion of good water bodies reached 77. 8 per cent, and seven of the faults were upgraded. The results of water quality monitoring at the central drinking water source level and above in all 25 districts of the city meet the water quality standards of level iii and above, with a 100 per cent compliance rate. The stability of water quality at the four groundwater monitoring points throughout the city maintains the water quality standard for category iii, with a 100 per cent compliance rate. Monitoring points in coastal areas controlled by 17 countries meet good water quality standards。
The quality of the soil environment remains stable. In 2020, the results of the management of the safe use and risk management of contaminated arable land throughout tangshan were assessed to be excellent, and no agricultural products were found to have exceeded the standard, with 100 per cent utilization of contaminated arable land and 100 per cent use of contaminated plots。
Acoustic environmental quality is generally satisfactory. In 2020, the average level of environmental noise by day and night in the four functional areas of tangshan was generally achieved, with 89. 1 per cent of monitoring points. The average regional environmental noise level is 54. 2 db (a), the overall noise level is rated as “better” and the road traffic noise level is rated as “better” and the noise intensity level is rated as “better”。
The total quality of the radiation environment is good. In 2020, the level of environmental radiation throughout tangshan remained within the natural background, and the levels of ionizing and electromagnetic radiation from nuclear technology projects were below the national control limit。
