The government has taken strict measures to control
PM2.5 levels in the air.
政府已经采取了严格的措施来控制空气中的
PM2.5含量。
Due to the high
PM2.5 concentration, the city's residents have been advised to stay indoors.
由于
PM2.5浓度高，城市居民被建议留在室内。
Scientists are working on developing new technologies to reduce
PM2.5 emissions from factories.
科学家们正在努力研发新技术以减少工厂排放的
PM2.5。
Air quality monitoring stations across the country are tracking
PM2.5 levels regularly.
全国各地的空气质量监测站定期追踪
PM2.5水平。
The health impact of
PM2.5 is significant, causing respiratory and cardiovascular issues."
PM2.5对健康的影响是显著的，会导致呼吸系统和心血管问题。
In densely populated areas, the
PM2.5 level can exceed safe limits, posing serious health risks.
在人口密集地区，
PM2.5水平可能超过安全限制，造成严重的健康风险。
Research suggests that long-term exposure to
PM2.5 can lead to chronic diseases.
研究表明，长期暴露于
PM2.5可能导致慢性疾病。
The government has announced plans to improve public awareness about the dangers of
PM2.5."
政府宣布计划提高公众对
PM2.5危险性的认识。
Experts recommend wearing masks in areas with high
PM2.5 levels to protect against health risks.
专家建议在
PM2.5水平高的区域佩戴口罩以保护健康。
New building regulations now require developers to consider the impact of
PM2.5 on the environment.
新的建筑规定现在要求开发商考虑
PM2.5对环境的影响。
A hardware facility, namely air cube, can automatically recognize indoor air quality, ensuring household users to learn about various air indicators such as NO2 and PM2.5.
一个硬件设施，即空气立方体，可以自动识别室内空气质量，确保家庭用户了解NO2和PM2.5等各种空气指标。
One large and medium-sized container ship that sails with a 70 percent load will produce PM2.5 equivalent to the emissions of 210,000 National IV Standard trucks, it said.
From the shutdown of small disqualified coal mines, to water pollution control, to the PM2.5 index national announcement and to the promotion of new energy vehicles, countless measures are being taken right now in China.
This is not restricted to simply lowering the PM2.5 level at home, but has been integrated into people's everyday life to protect them from tiny pollutants such as formaldehyde, which exists in cities across the world, he said.
The growing severity of PM2.5 air pollution across the country has prompted the government to introduce various pollution control policies.
"In the short run, products that can improve air quality and people' lives will become a good market in China and it is important for us to serve that market," said Shafer.3M has launched various types of respiratory protection products, from respirators that fit Chinese consumers' faces and effectively prevent PM2.5 pollutants, to home and vehicle air purifiers for families in China.
When an air quality examiner showed that indoor PM2.5 concentration was 5 micrograms at the Fairmont Beijing, a luxury hotel under AccorHotels, guests were amazed.
PM2.5 refers to particulate matter with a diameter of 2.5 microns or less, which is considered hazardous to human health.
PM2.5 concentration indoors should be less than 75 micrograms per cubic meter for elderly people and children — the cutoff line for what is defined as "good" air outdoors, according to international standards.
Over 31,000 hectares of afforestation have been implemented with over 23 million nursery-grown plants in the area, increasing its forest coverage rate to 34 percent and lowering the average level of PM2.5 by 37 percent.
The average density of PM2.5 -- fine particulate matter that causes smog -- fell 15.6 percent compared to a year earlier.
On a daily basis, in every cubic meter of air, there are 27 micrograms of PM2.5 particles in Shanghai during 2021, down 56 percent from that of 62 micrograms in 2013.
The average PM2.5 concentration was 30 micrograms per cubic meter, down 9.1 percent year-on-year.
According to a September report by the World Bank team on pollution management and environmental Health, the reduction in PM2.5 concentrations in the Beijing-Tianjin-Hebei region is among the most substantial air quality improvements achieved globally in the past five to six years.
The Ministry of Ecology and Environment said the average annual concentration of PM2.5 in Beijing dropped from 89.5 micrograms per cubic meter in 2013 to 42 mcg/cu m in 2019, a decrease of more than 50 percent, while carbon emissions fell 43 percent from 2010 to 2019.
In September, its PM2.5 level fell to 18 micrograms per cubic meter, while concentrations of inhalable particulate matter — sulfur dioxide, nitrogen dioxide and carbon monoxide — had all turned first-class by national standards on air quality.
PM2.5 is the average concentration of fine particles of less than 2.5 microns in diameter and is a common measure of air pollution levels.
It said that by 2025, the concentrations of particulate matter with a diameter of 2.5 micrometers or smaller (PM2.5) in cities at or above the prefectural level are targeted to decrease by 10 percent compared to 2020.
According to the Ministry of Ecology and Environment, the average PM2.5 density in China was 33 mcg per cu m in 2020.
"Analysis of PM2.5 components in the winters of 2018 and 2019 showed small-scale coal burning and diesel vehicles were the major sources of heavy pollution in the Beijing-Tianjin-Hebei region," he said, adding that small-scale coal burning produced about 53 percent of PM2.5 emissions in the region, which indicated the priority of tackling pollution.
他说道：“对2018年和2019年冬季PM2.5成分的分析表明，小规模燃煤和柴油车是京津冀地区重度污染的主要来源。”他补充道，小规模燃煤产生的PM2.5排放量约占该地区的53%，这表明治理污染的优先事项。
According to the report, the average density of the hazardous fine particle matter PM2.5 among the first batch of pilot cities for clean energy heating in North China－which includes Tianjin, Shijiazhuang and Shanxi province's Taiyuan－dropped 36.4 percent to 69.7 micrograms per cubic meter in 2019, from 109.5 micrograms per cu m in 2016.
根据该报告，包括天津、石家庄和山西省太原在内的华北地区首批清洁能源供暖试点城市的有害细颗粒物PM2.5平均浓度从2016年的每立方米109.5微克下降了36.4%，至2019年的每立方米69.7微克。
As for the second batch of the pilot cities, including Shaanxi province's capital Xi'an, Linfen in Shanxi province and Zibo in Shandong province, the average PM2.5 density declined by 11.4 percent from 80.6 micrograms per cu m in 2017, to 71.4 micrograms per cu m in 2019.
至于第二批试点城市，包括陕西省省会西安、山西省临汾市和山东省淄博市，PM2.5密度平均下降了11.4%，从2017年的每立方米80.6微克降至2019年的每立方米71.4微克。
One large and medium-sized container ship that sails with a 70 percent load will produce the PM2.5 equivalent of emissions from 210,000 National IV Standard trucks, said the company.
"Everybody can sell air purifiers when you have PM2.5 at 300 outside for two weeks, because it does not need a great company to achieve that," said Frank Hammes, CEO of Swiss air purification provider IQAir.
As customers are getting concerned with their new furniture, paints or floors at home, you realize that there are so many elements affecting air quality and PM2.5 is just one of them," he said.
According to Liu, Zhengzhou has taken measures to control traditional energy consumption such as coal - the area's major source of PM2.5 particulate matter - and to promote the use of clean energy.
Hebei has set a target to reduce the average concentration of PM2.5 to 55 micrograms per cubic meter in 2020, 15 percent less than in 2017.
PM2.5, airborne particles smaller than 2.5 micrometers in diameter, pose a significant risk to health.
Analysis of PM2.5 data from the provincial capital, Haikou, shows vehicle emissions contributed more than 35 percent to local air pollutants, while the average percentage reached 40 percent in other cities and counties.
"If gasoline-fueled vehicles are totally banned in Hainan, its PM2.5 index is expected to drop by 30 percent to less than 10 micrograms per cubic meter, about the same level as leading international tourist destinations such as Hawaii, the Maldives and Fiji," said Xia Feng, a researcher with the China Institute for Reform and Development.
Beyond delivering the usual premium driving pleasure, many upgrades will be tailored for Chinese bimmers, including an extra-large panoramic moon roof, a PM2.5 air filter, and extra thick rear seat cushions.
除了提供一贯的高端驾驶乐趣外，许多升级将针对中国宝马车主进行定制，包括超大全景天窗、PM2.5空气滤清器以及加厚的后排座椅垫。
Sina news website citing environmental protection bureaus in some Chinese cities said, PM2.5 (small particle) pollution in these cities mainly comes from cars exhaust.
The air balance package includes a high-end air purifier able to filter out PM2.5 that brings a softer, quieter airflow experience.
The average PM2.5 level in Beijing has reduced from 90 in 2013 to 38 in 2020, which is very close to the 2030 goal of 35.
It said it expects to decrease average density of PM2.5 pollutant particles in air by 5 percent.
The document stressed that China will make consistent efforts to forge ahead with air pollution controls, vowing to reduce the average concentration of PM2.5 particulate matter across the country to below 28 micrograms per cubic meter by 2027 and aiming to be lower than 25 mcg/cubic meter by 2035.
The average density of PM2.5 in the country's 339 major cities stood at 29 mcg/cubic meter in 2022, said the Ministry of Ecology and Environment.
It stressed that China will make consistent efforts to forge ahead with the campaign for air pollution control, vowing to reduce the average concentration of PM2.5 particulate matter across the country to below 28 micrograms per cubic meter by 2027 and aiming to be lower than 25 mcg/ cubic m by 2035.
The average density of PM2.5 in the country's 339 major cities stood at 29 mcg/ cubic m in 2022, according to the Ministry of Ecology and Environment.
According to the plan, the nation is targeting a 10 percent reduction in the density of PM2.5 — particulate matter with a diameter of 2.5 micrometers or less — in prefecture-level cities next year when compared with levels in 2020.
According to the World Health Organization, exposure to PM2.5 can cause cardiovascular and respiratory diseases such as stroke, lung cancer and chronic obstructive pulmonary disease.
The density of PM2.5 in the Beijing-Tianjin-Hebei region and surrounding areas will be reduced by 20 percent, and that in the Fenwei Plain by 15 percent.
China rolled out a national plan targeting pollutants including PM2.5 in September 2013 that included a raft of measures to renovate or close coal-fired boilers and power plants and promote green transport methods.
Liu said the containment of PM2.5 remained the priority in the latest national plan, which also emphasized the need to promote the green and low-carbon transformation of transportation to reduce emissions of nitric oxide and volatile organic compounds.
He cited data that showed the annual average concentration of PM2.5 in 339 cities at or above the prefecture level in China was still 5.8 times higher than the World Health Organization's air quality guideline levels for 2022, while there was also a significant difference between PM2.5 concentration levels in those cities and cities in Western countries.
Wang Jinnan, an academician at the Chinese Academy of Engineering and former head of the Chinese Academy of Environmental Planning, said reducing PM2.5 concentrations will continue to be the primary focus and core objective of China's air pollution prevention and control.
The plan was followed up in 2018 with a three-year campaign to protect blue skies and further lower the concentration of PM2.5 — inhalable particles with diameters 2.5 micrometers and smaller.
Meanwhile, the concentration of PM2.5 has dropped 57 percent, a telltale sign that economic growth does not necessarily contradict environmental protection.
Despite its GDP increasing by 69 percent over the past 10 years, China saw its average density of PM2.5 particulate matter decrease by 57 percent during that time, according to the Ministry, carbon dioxide emissions have been reduced by 35 percent over the past decade.
The average density of PM2.5 particulate matter in the country's cities at the prefecture level and above dropped from 46 micrograms per cubic meter in 2015 to 30 mcg/cu m in 2021.
Zhao Lei, member of the Standing Committee and secretary-general of the CPC Beijing Municipal CommitteeBeijing's average concentration of PM2.5 has declined to 29 micrograms per cubic meter so far this year after the capital made great efforts fighting air pollution and improving the natural environment in the past few decades.
The annual average concentration of PM2.5 declined to 33 micrograms per cubic meter in 2021, falling by 63.1 percent compared with the level in 2013.
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