One the June 5th Environment Day of 2022, Hongkou District Ecological Environment Bureau issued the “Bulletin of Hongkou District Ecological Environment in 2021”.
In 2021, guided by Xi Jinping’s Thought on the Socialism with Chinese Characteristics for A New Era, Hongkou fully implemented the spirit of the 19th CPC National Congress and the second, third, fourth, fifth and sixth plenary sessions of the 19th CPC Central Committee, adhered to the general tone of seeking progress while maintaining stability, based on the new stage of development, implemented the new development concept, served the new development pattern, took promoting the development of high quality, creating a high quality life and realizing the highly effective management as the goal orientation, and insisted in implementing the important ideas of "Green water and hills are the treasures" and "The people's city is built by and for the people" to the ecological environment protection in various areas and the whole process, so that the regional environmental quality and environmental features have been improved effectively.
Smoke-free in the world: Hongkou’s Eco-environmental Quality Continuously Improved, Major Pollutants Further Drop
Ambient Air Quality
In 2021, the number of good days of Hongkou District's ambient air quality index (AQI) was 331 (364 effective days), an increase of 1 day compared with 2020; The AQI excellence rate was 90.9%, up 0.7% compared with 2020.
Main pollutant indicators
In the pollution days, the number of days in which the primary pollutant was ozone (O3) accounted for 57.6% and the number of days in which nitrogen dioxide (NO2) accounted for 24.2%, indicating that ozone (O3) and nitrogen dioxide (NO2) pollution were still prominent.
The Statistical Chart of Major Pollutants of Air Quality Index (AQI) in Hongkou District in 2021
1. Fine particles (PM2.5)
In 2021, the annual average concentration of fine particulate matter (PM2.5) in Hongkou District was 27 μ g / m3, which was the same as the average concentration of the whole city, reaching the national level II standard for ambient air quality, a decrease of 12.9% compared with 2020 and 49.1% compared with 2015.
2. Inhalable particulate matter (PM10)
In 2021, the annual average concentration of inhalable particulate matter (PM10) in Hongkou District was 43 μ g / m3, an increase of 2.4% over 2020, reaching the national secondary standard for ambient air quality.
3. Sulfur dioxide (SO2)
In 2021, the annual average concentration of sulfur dioxide (SO2) in Hongkou District was 6 μ g / m3, the same as that in 2020, reaching the national class I standard for ambient air quality.
4. Nitrogen dioxide (NO2)
In 2021, the annual average concentration of nitrogen dioxide (NO2) in Hongkou District was 38 μ g / m3, the same as that in 2020, reaching the national class I standard for ambient air quality.
5. Ozone (O3)
In 2021, the maximum daily 8-hour (o3-8h) average 90th percentile concentration of ozone in Hongkou District was 145 μ g / m3, an increase of 3.6% compared with 2020, reaching the national secondary standard for ambient air quality.
6. Carbon monoxide (CO)
In 2021, the 24-hour average 95th percentile concentration of carbon monoxide (CO) in Hongkou District was 1.0 mg / m3, a decrease of 9.1% compared with 2020, reaching the national class I ambient air quality standard.
7. Acid rain
In 2021, the average pH value of precipitation in Hongkou District was 5.51, and the frequency of acid rain was 72.2%, an increase of 1.0% compared with 2020.
Surface water environmental quality
In 2021, among the 11 monitoring sections of rivers in Hongkou District, 4 are class III water quality sections and 7 are class IV water quality sections, which have been continuously improved for seven consecutive years. The water environment target compliance rate of the municipal examination section was 100%, of which the water quality of the three municipal examination sections of Shajing Port - West Dalian Road Bridge, Yujingpu - Siminggongsuo Bridge and Guxibang - Jiangwan Town Government Back Garden Inner Bridge met the class III water quality standard, and the Jiangwanshi River - Liangcheng Road municipal examination section met the class IV water quality standard.
The Comparison of Compliance of Monitoring Sections in Hongkou District in 2020 and 2021
Acoustic Environment Quality
1. Regional ambient noise
In 2021, the average equivalent sound level of regional environmental noise in Hongkou District in daytime was 53.9db (a), which was 1.7db (a) lower than that in 2020, and was evaluated as "good". The average equivalent sound level at night was 48.0db (a), which was 0.4db (a) lower than that in 2020. It was evaluated as "average".
2. Road traffic noise
In 2021, the average equivalent sound level of road traffic noise in Hongkou District in daytime was 65.1db (a), which was 2.0db (a) lower than that in 2020. It was evaluated as "good". The average equivalent sound level at night was 60.7db (a), an increase of 1.2dB (a) compared with 2020, which was evaluated as "average".
Carbon Peak and Carbon Neutralization
On July 16, the launch ceremony of the National Carbon Market and the China Carbon Trading Market Forum were held at the Shanghai Environment and Energy Exchange in SinoUSTrustFinanceBuildingon the North Bund, Hongkou District. The National Carbon Emission Trading Market officially opened on the North Bund, becoming the largest carbon trading market in the world. In 2021, the cumulative trading volume of the national carbon market carbon emission quota (CEA) was 178,789,350 tons. The cumulative turnover was 7,661,230,022.99 yuan.
Prevention and Control of Soil Pollution
In 2021, a total of 25 land lots in Hongkou have carried out soil pollution investigation and assessment, finding that the safe utilization rate of key construction land was 100%.
Solid Waste Management
In 2021, Hongkou District further strengthened the supervision of hazardous wastes and medical wastes, earnestly did a good job in the inspection of law enforcement and inspection by the National People's Congress, and widely publicized and implemented the new law on the prevention and control of environmental pollution by solid wastes. Throughout the year, 283.11 tons of hazardous wastes and 2,866.58 tons of medical wastes were collected and disposed in a standardized manner. We promoted the upgrading and transformation of domestic waste classification sites, with the annual domestic waste recycling rate reaching 56.9%.
Radiation Safety Management
Hongkou District strengthened the supervision of nuclear technology utilization units in the region, carried out "double random" inspections on 92 nuclear technology utilization units in the district, guided 60 enterprises to revise and improve emergency plans, and set up special training and examination sessions for 167 radiation workers in 41 enterprises in the district to ensure that the radiation environment was safe and controllable.
Ecological Environment Construction
Throughout the year, there increased 47,700 square meters of all kinds of green space and 25,000 square meters of three-dimensional greening. 1.845 kilometers of greenway construction (including the construction of greening characteristic roads on Hailun Road) and the transformation of six pocket parks were completed, and two municipal boulevards were successfully created. Hongkou orderly promoted the reconstruction of Peace Park and the construction of public green space in Block 67, and continuously increased the ecological environment capacity.