air monitoring indoor Articles

  • Air Monitoring Indoors Reliably

    There are a lot of PM indoor air monitors for sale online.  Most are made in China and a few are made in the USA. However, for reliable monitoring, make sure your manufacturer is experienced in the science of air monitoring.  Met One Instruments has been monitoring the air around the world and in the US for more than 30 years and is used by government agencies who require reliable data ...

  • Why monitor Indoor Air Quality (IAQ)?

    Indoor Air Quality (IAQ) relates to a number of environmental factors inside a building that can impinge on the health, comfort, or work performance of the building’s occupants. Monitoring IAQ is vital because it is estimated that the average person spends 90% of their time breathing “indoor air”. In order to accurately understand a building’s indoor air quality, it is ...


    By PPM Technology

  • Canarina DISPER Software · indoor air quality dispersion · algorithms 8

      Canarina DISPER Software · indoor air quality dispersion   9.1.3 Wind Speed Profile  The wind power law is used to adjust the observed wind speed, uref, from a reference measurement height, ...

  • Indoor air pollution: types of cooking fuel used and its impact on the health of women in Aligarh city

    Available findings have indicated that indoor air is more polluted than outdoor air and major polluting activity has been attributed to household cooking with traditional fuels. Cooking with traditional fuels leads to high levels of indoor air pollution (IAP), exposure of which increases the risk of various health problems. The purpose of this study is to estimate various diseases attributable to ...


    By Inderscience Publishers

  • Particles Matter

    We all can recall our mothers telling us as children to go outside and get some fresh air.  Who would have known just how important this statement was and is today?  Air pollution affects the entire planet. You can't escape it anywhere not even inside your home or office. According to the United States Environmental Protection Agency (EPA), indoor air can be up to ten times more ...

  • Taiwan Indoor Air Quality Management Act

    On 8 November 2011, the Taiwanese Legislative Yuan passed the Indoor Air Quality Management Act making Taiwan the second nation after Korea to implement an indoor air quality management act. For accurate understanding of indoor air quality, it is advised to simultaneously monitor multiple indoor air quality parameters including gases, temperature and humidity. PPM Technology’s range of IAQ ...


    By PPM Technology

  • Prevalence of plastic additives in indoor air related to newly diagnosed asthma

    This paper presents a correlation between the certain plastic additives and newly diagnosed asthma. We studied this association by measuring the plastic additives in the indoor air of the homes of presenting patients at the Skin and Allergy hospitals, including old and new, clinically diagnosed cases of asthma and controls. A total of 465 people filled in a questionnaire that probed, for example, ...


    By SAGE Publications Ltd

  • Green Technology for Healthy Air and Energy Conservation: New Technology for Continuous, Indoor Air Quality Monitoring

    Continuous monitoring for indoor, Volatile Organic Compounds (VOCs) has been carried out by VOC Technologies (VOCTEC) during and after construction of Epler Hall, a newly-built green building on the PSU campus. Epler is a 6-story building devoted largely to student apartment residences, with classroom and office space on the first floor. Epler has no central heating/ventilation system. Epler’s ...


    By VOC Technologies

  • Double benefit of monitoring Indoor Air Quality (IAQ)

    It is a difficult balance to save money and energy yet maintain a comfortable and healthy indoor air environment. A logical solution to controlling indoor air pollution is good ventilation coupled with IAQ monitoring using gas sensors. This can ensure healthy indoor air as well as a more efficient HVAC system.  Typical IAQ investigation and examination consists of taking single-point ...


    By PPM Technology

  • Remote monitoring of Indoor Air Quality (IAQ)

    Indoor air quality (IAQ) relates to a number of environmental factors inside a building that can impinge on the health, comfort, or work performance of the building’s occupants. Monitoring IAQ is vital because it is estimated that the average person spends 90% of their time breathing “indoor air”. Remote monitoring of IAQ sampling data collected by PPM ...


    By PPM Technology

  • Continuous monitoring of multiple Indoor Air Quality (IAQ) parameters

    Measuring and monitoring hazardous gases is a critical issue in industrial and workplace safety.  Many facilities are especially vulnerable to the effects of an unhealthy indoor environment when fuel-burning vehicles are used indoors. Placing an IAQ monitoring system in buildings and facilities enables immediate identification of IAQ problems, the sources and causes of any problem can be ...


    By PPM Technology

  • Trial setup of Wireless Indoor Air Quality (IAQ) Monitor in a Hong Kong office building.

    A recent trial setup of the Wireless IAQ Profile PPMonitor in a Hong Kong office building in order to test out the units against a typical hot and humid Hong Kong ...


    By PPM Technology

  • An ambient indoor air environment is vital to ensure a safe and healthy workplace

    Indoor air quality (IAQ) relates to a number of environmental factors inside a building that can impinge on the health, comfort, or work performance of the building’s occupants. Monitoring IAQ is vital because it is estimated that the average person spends 90% of their time breathing “indoor air”. Poor IAQ is a contributing factor to both short and long-term health issues, these ...


    By PPM Technology

  • The Economic Value of Air-Pollution-Related Health Risks in China: A Contingent Valuation Study

    The economic value of preventing adverse health effects related to air pollution is estimated using contingent valuation in three diverse locations in China. Values are estimated for three health endpoints: cold, chronic bronchitis, and fatality. Alternative statistical models are tested to study their impact on estimated willingness to pay (WTP) and on the relationship between WTP and respondent ...


    By Springer-Verlag GmbH

  • What is an `IAQ Profile`?

    The 'IAQ Profile' is a visual presentation of indoor air quality. PPM Technology's range of IAQ Monitors enable continuous monitoring of Indoor Air Quality; this precisely describes changes in concentration levels of selected air quality parameters over a period of time.  The IAQ Profile provides the knowledgebase and database for improving indoor air quality efficiently and ...


    By PPM Technology

  • The Toxic Effects of Hydrogen Sulfide (H2S) Gas from Sewers on Health & Infrastructure - Case study

    How is Hydrogen Sulfide Created? Hydrogen sulfide emitted from sewers and septic tanks can cause serious health issues. Hydrogen sulfide gas is created and released into the air when waste water remains stagnant for a long period of time, and becomes depleted of dissolved oxygen. Although sewer workers are most likely to be affected by hydrogen sulfide overexposure, people ...

  • Why Air Quality Specialists Should Measure for Sulfur Dioxide (SO2) in Homes & Offices - Case study

    What is Sulfur Dioxide? (SO2) Sulfur Dioxide (SO2) is a highly reactive gas that is part of a larger group of sulfur oxides or SOx gases. According to the U.S. Environmental Protection Agency, the largest sources of SO2 emissions are due to “fossil fuel combustion at power plants (73%) and other industrial facilities ...

  • Adverse Health Effects of Elevated Nitrogen Dioxide (NO2) Levels in Homes - Case study

    The Sources of NO2 in Homes Nitrogen Dioxide (NO2) is a colorless, odorless gas that is commonly emitted from home heating elements such as gas, wood, oil, kerosene, and coal burning appliances, including stoves, space heaters, water heaters, furnaces, boilers and fireplaces. Gas engines, including those found in cars and home generators, also emit ...

  • `Green Buildings` can create problems with IAQ

    The recent trend towards energy conservation measures have in some cases led to airtight building construction that can often create problems with Indoor Air Quality (IAQ). Some 'green buildings' (also known as ‘green construction’ and ‘sustainable buildings’) have ignored the issue of IAQ in pursuit of energy saving measures. Ventilation systems are set to minimize the ...


    By PPM Technology

  • Critical Monitoring of Forklift Emissions and Warehouse Ambient Air Quality - Case Study

    Our team of experts has been hard at work and has just released an industry-leading report detailing Forklift Emissions in Warehouses: The main objectives of this study were to investigate the effects of different engine conditions on exhaust gas emissions and to observe the effect that forklift emissions have on the ambient air quality of the warehouse.             ...

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