Four more major Indian cities will soon have their own metro lines, the country’s government has announced. We’ve been shipping lots of Smart Air purifiers to South Korea, but we don’t currently have a distributor there. Contact Smart Air Large amounts of breathable particles (particulate matter, or PM) and nitrogen dioxide (NO2), produced in part by industrial emissions and road traffic, are responsible for shortening the lifespans of city dwellers. That also puts Seoul higher than major developed cities. How bad is the air pollution on the average subway network? That puts Seoul at more than two times the WHO annual limit. [/risk] Description. During the winter, air pollution in Japan is particularly bad since the polluted air comes not only from industrial and vehicle emissions within Japan, but also from polluted air masses that are derived from China. But what is the air like that we breathe underground, on the rail platforms and inside trains? Subways are vital for commuting in crowded cities, something that will become more and more important over time – according to a United Nations 2014 report, half of the world’s population is now urban. Estimation of perceptions about pollution in Tokyo. To date, there is no clear epidemiological indication of abnormal health effects on underground workers and commuters. Air Pollution [risk] ... Osaka, Tokyo, and Okayama can experience high levels of air pollution. Residents can take the following measures to protect themselves from air pollution: Smart Air is a certified B Corp committed to combating the myths big companies use to artificially inflate the price of clean air. This article discusses how Japan is tackling pollution through renewable energy and pollution beating technology. In an independent analysis of ozone measurements in Tokyo from Jan. 1, 2017 to Sept. 30, 2018, Greenpeace Air Pollution Unit found there were 54 days in … Fulvio Amato is a tenured scientist at the Spanish National Research Council. He’s currently working on R&D and engineering at Smart Air. Similar lower values for subway environments compared to other public transport modes have been demonstrated by studies in Hong Kong, Mexico City, Istanbul and Santiago de Chile. Subways are vital for commuting in crowded cities , something that will become more and more important over time – according to a United Nations 2014 report, half of the world’s population is now urban. There are days when Makiko Ishikawa can barely breathe. That’s bad news for lungs in Seoul because studies have discovered that levels around 10 micrograms affect our health. Such differences have been attributed to different wheel materials and braking mechanisms, as well as to variations in ventilation and air conditioning systems, but may also relate to differences in measurement campaign protocols and choice of sampling sites. Internationally, more than 120m people commute by them every day. Although there are no existing legal controls on air quality in the subway environment, research should be moving towards realistic methods of mitigating particle pollution. We have offices in China, India, Philippines, Indonesia, Mongolia, Bangladesh and Thailand. presence in or introduction into the environment of a substance which has harmful or poisonous effects Partnerships Placebo-controlled studies of air purifiers have found that reducing particulate indoors. Many people in Korea have argued that most of the pollution comes from Mainland China, but is that really the case? Hardly. Outdoor air pollution is a mix of chemicals, particulate matter, and biological materials that react with each other to form tiny hazardous particles. The use of air-conditioning has been shown to produce lower particle-matter concentrations inside carriages. How bad is the air pollution in Seoul, South Korea? To design solutions, one will need to take into account local conditions of each station. During winter and spring especially, pollution reaches critical levels. Our experience in the Barcelona subway system, with its considerable range of different station designs and operating ventilation systems, is that each platform has its own specific atmospheric micro environment. Tokyo Air Quality Index (AQI) is now Good. In particular, much subway particulate matter is sourced from moving train parts such as wheels and brake pads, as well as from the steel rails and power-supply materials, making the particles dominantly iron-containing. Seoul often sees air pollution four times worse than average. Image: London Tube/Wikimedia Commons. Nowhere near it. Image: MTA Capital Construction/Rehema Trimiew/Wikimedia Commons. Check it out! Teresa Moreno is a tenured scientist at the Institute of Environmental Assessment and Water Research (IDAEA), Spanish Scientific Research Council CSIC. The database is incomplete, but is growing and is already valuable. In Seoul, the lack of gets stuck inland. But is Seoul air the worst in the world? By Fulvio ... 5.3m in Paris, 6.8m in Tokyo, 9.7m in Moscow and 10m in Beijing. However, this average obscures the much more serious spikes in pollution, particularly in winter and spring. In Europe alone, commuters in more than 60 cities use rail subways. They were in fact one of the first cities to introduce anti-pollution laws at the Kyoto world climate summit in 1997. Seoul’s PM2.5 averaged 26 micrograms/m3 from 2016 to 2018. On the other side of the Himalayas, Shanghai is building its 14th subway line, set to open in 2020, adding 38.5 km and 32 stations to the world’s largest subway network. This article is from the CityMetric archive: some formatting and images may not be present. Tokyo is going through some tough decisions that will determine the future of the city and how good or bad it will be. However, this average obscures the much more serious spikes in pollution, particularly in winter and spring. Japan began to look into its pollution problem back in the 1970s when particulate matter levels in the air reached dangerous levels. Read the air pollution in Tokyo, Japan with AirVisual. Seoul’s Air Pollution: The Bad News. Kang Wei is a chemical engineer from the National University of Singapore. Over the last decade, several pioneering studies have monitored subway air quality across a range of cities in Europe, Asia and the Americas. © Copyright 2020 New Statesman Media Group Ltd. Industry leading data and analysis for the FDI community, Receive our newsletter - data-led analysis, original reporting and insights. People in Seoul breathe more polluted air than people in major cities like Paris, Berlin, and London. On the other hand, news media have reported several bad smog attacks in the last year. New York subway workers have been exposed to such air without significant observed impacts on their health, and no increased risk of lung cancer was found among subway train drivers in the Stockholm subway system. - Tokyo's History with Air Pollution The history of institutional steps by the government to address environmental issues this century begins with anti-pollution measures. Tokyo is overall a city that is very clean.

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