Urban Air Articles

  • Tracking Air Pollution with Mini Micro Pulse LiDAR - Case Study

    Portable Monitoring Solution Offers Valuable Insight Into Haze Problem Poor air quality in large urban population centers has a negative impact on health and quality of life. To address these issues, the Institute of Urban Meteorology (IUM) in Beijing, China, is conducting fundamental research to better understand, forecast and mitigate atmospheric haze, i.e., air pollution. Over the past ...

  • Volatile Organic Compounds measurement in urban tropical environment: Concentration levels near cities

    Theme 8: Air Pollution in a Tropical Climate Rapid urbanization and economic development in South-East Asia in past decades has led to air pollution problems such as excess of nitrogen oxides (NOx), carbon monoxide (CO) and volatile organic compounds (VOCs). Motor vehicle exhaust, industrial emissions, chemical solvents as well as biogenic emissions are the major anthropogenic sources ...


    By Chromatotec Group

  • Assessing Clean Air Zones with ADMS-Urban

    CERC develop the world-leading model ADMS-Urban which is designed for assessing air quality interventions such as Clean Air Zones (CAZ) and Low Emissions Zones (LEZ). For example, ADMS-Urban is being used by · Transport for Greater Manchester to model CAZ options ...

  • AQMesh shown to achieve highest correlation coefficients in new ACS paper

    A new paper published by the American Chemical Society (ACS Sensors) reviews the use of amperometric electrochemical gas sensors for monitoring inorganic gases that affect urban air quality. Written by John Saffell and Ronan Baron of Alphasense, the paper gives a full explanation of how the sensors work, how they have developed and a review of ...


    By AQMesh

  • Real-world vehicle emissions as measured by in situ analysis of exhaust plumes

    Abstract We conducted a 60-day roadside measurement campaign on a busy street in Münster, Germany, during summer 2016. We used gas and particle concentration measurements with high temporal resolution (10 Hz) to quantify both the emission ratios of nitrogen oxides per carbon dioxide (NOx/CO2) for over 70,000 individual exhaust plumes as well as the emission ratios ...


    By ECO PHYSICS AG

  • The ‘ins and outs’ of air quality monitoring

    The National Institute for Health and Care Excellence (NICE) recently issued draft guidance on ‘Air pollution - outdoor air quality and health.’ In the following article Jim Mills, Managing Director of Air Monitors Ltd, explains why there will need to be more funding for monitoring if the mitigation measures mentioned in the guidance are to be implemented effectively. Jim also ...


    By Air Monitors Ltd.

  • Flood water protection in the city of Buenos Aires - Case study

    The Arroyo Mendrano is the second largest channeled stream of water running through Buenos Aires. In case of heavy rainfalls it overflows its banks and causes considerable material damage. When the retention basin which had been especially built to collect large quantities of water during strong precipitation events also overflowed, the government decided to have an alarm-system installed to ...


    By OTT HydroMet

  • What does the environment have to do with diseases that affect the immune system?

    The rise in recent decades of diseases such as inflammatory bowel disease and rheumatoid arthritis suggests that factors in the environment are contributing. In 1932, New York gastroenterologist Burrill Crohn described an unusual disease in 14 adults. The patients had bouts of abdominal pain, bloody diarrhea, and lesions and scars on the bowel wall. Doctors in other parts of North America ...


    By Ensia

  • London’s reliance on diesel triggers re-emergence of an old enemy: smog

    It’s Christmastime on Oxford Street. Brilliant displays of white lights rain from above. Decked-out shoppers dash from one gaudy sale to the next. And Johnny Conquest breathes in poison. “The air is horrible. The taxis stop right here, and when they take off, boom, you can taste it,” says the 67-year-old as the heavenly smell of the caramel peanuts he hawks from a humble street ...


    By Camfil Ltd

  • Green Urban Infrastructure: Assessing Potential Ecosystem Services in Urban Cities

    Cities all over the world are currently experiencing climate change caused by rapidly increasing atmospheric greenhouse gases (GHGs). Fortunately, cities may mitigate GHG concentrations by incorporating vegetation into green urban infrastructure (GUI) to develop parks, green roofs, waterways, and other structures. For example, plants sequester carbon (C) by removing atmospheric ...


    By Climate Institute

  • How to Survive Sandstorm Season

    Asthma awareness is crucial when living in the GCC, especially when we live in a climate which has significant environmental triggers such as sandstorms. Several studies conducted in the Arabian Peninsula countries with a high rate of sandstorms, confirmed the increased prevalence of asthma in those countries. It was also reported that sandstorms frequently cause adverse health effects on the ...


    By Camfil Ltd

  • Urban sustainability issues — What is a resource-efficient city?

    What is this report about? Policy background Scarcity of natural resources poses a threat to the continued prosperity and well‑being of the world's population. As the global economy and population grows and the standard of living rises, the demand for natural resources increases and this threatens the security of supply. Resources are defined as all inputs into ...

  • For Thanksgiving, some positive environmental news to share around the table

    Thanksgiving is the one national holiday that has avoided being despoiled by excessive commercialization. It is a time when families and friends gather to appreciate one another and be thankful. But on the environmental front, we are constantly bombarded with stories of impending crises, environmental disasters, ecosystem collapse and species loss. Not only does this ...


    By Ensia

  • Evaluation of diesel fleet emissions and control policies from plume chasing measurements of on-road vehicles

    Abstract Vehicle emissions are an important source of urban air pollution. Diesel fuelled vehicles, although constituting a relatively small fraction of fleet population in many cities, are significant contributors to the emission inventory due to their often long mileage for goods and public transport. Recent classification of diesel exhaust as carcinogenic by the World Health ...


    By ECO PHYSICS AG

  • History of Air Pollution in the UK

    Concern about urban air quality is not new. Complaints were recorded in the 13th century when coal was first used in London. Since the middle of the 19th century, the atmosphere of the major British cities was regularly polluted by coal smoke in winter, giving rise to an infamous mixture of fog and smoke known as smog. Today the emphasis has shifted from the pollution problems caused by industry ...

  • History of Air Pollution in the UK

    Introduction Concern about urban air quality is not new. Complaints were recorded in the 13th century when coal was first used in London. Since the middle of the 19th century, the atmosphere of the major British cities was regularly polluted by coal smoke in winter, giving rise to an infamous mixture of fog and smoke known as smog. Today the emphasis has shifted from the pollution ...

  • High Tech Environmental Vehicles for High Tech Environmental Equipment Supplier

    Here is a conundrum. What do you do if you are a leading environmental monitoring technology supply firm, specialising in air quality monitoring, and your single biggest environmental impact comes from your own fleet of company vehicles? The problem is compounded when you factor in your large team of field service engineers travelling the length and breadth of the UK and your ISO 14001 ...

  • Adaptation of transport to climate change in Europe

    Climate change threatens to compromise transport services that are indispensable for Europe's economy and society Transport remains a critical support system for the smooth functioning of our societies and economies. It facilitates accessibility of services that are vital for business and for the quality of life of citizens. It also enables economic growth and job creation. Gradual ...

  • Pollutant source identification in a city district by means of a street network inverse model

    This study presents the performances of an inverse modelling approach aiming to identify position and emission rate of a localised pollutant source placed within a city district. To that purpose we combine wind tunnel experiments and an urban dispersion model. Experiments are performed in an idealised urban canopy, made up of regularly spaced blocks, and provide the pollutant concentration field ...


    By Inderscience Publishers

  • Chemical reactions at street scale using a Lagrangian particle dispersion model

    In the context of the FEDER AIRCITY project, Paris City is modelled with a 3 m resolution with the purpose of computing pollutant concentration relevant for human exposition. This project involves AIRPARIF (Ile-de-France Air Quality Monitoring Network), for emission and immission data, CEA (French Atomic and Alternative Energy Agency) for HPC availability, National Geographic Institute (IGN) for ...


    By Inderscience Publishers

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