ii UK Focus Pioneering trial to monitor air pollution launched in Hertfordshire


An innovative DEFRA funded pilot scheme to monitor air pollution levels across Hertfordshire is being launched this month powered by cutting-edge technology developed by a Hertfordshire-based company.


Iknaia, a specialist air quality monitoring fi rm with offi ces in the Hertfordshire village of Brookmans Park, installed their award winning Airscan low-cost mobile air quality monitoring system, which can detect levels of pollution on the Council’s streets in real time. Airscan uses high-performance, reliable, low-power gas sensors to detect a range of noxious gases in the atmosphere and state of the art light scattering laser sensor to accurately measure PM2.5


& PM10 .


Unlike previous static systems, the Airscan Air Quality sensors can be easily moved around and installed on streetlamp posts at roadside, which will enable the county council and their district and borough partners to collect data in multiple locations and assess the impact that traffi c congestion is having on the air we breathe.


Founder of Iknaia, Julia McNally, says, “Air pollution largely comes from road traffi c and is linked to heart disease and lung problems, including asthma. This will provide local authorities with data that will enable them to make choices such as building new homes away from busy roads, consider re-routing traffi c at certain times. Moreover, by providing real-time data to motorists and pedestrians will help them make decisions about the routes they choose to take that can impact their health.”


Hertfordshire County Council’s Cleaner Air Programme Manager, Matthew Clark says, “The county council is keen to see continued improvement in air pollution monitoring capacity throughout the county, as part of our Sustainable Hertfordshire commitment to deliver cleaner air for all by 2030. Currently we have several real time static monitoring stations in locations that are chosen to target areas where pollution is expected to be high as advised by our District and Borough partners who have the specifi c local knowledge to inform this decision. We are looking forward to working with Airscan as it offers us the opportunity of being able to monitor air quality in multiple locations and enable us to see real-time changes in air pollution as they happen.”


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Clark continues, “Airscan units will be co-located alongside key static monitoring stations to validate the accuracy of the data and we’ll be evaluating the effectiveness and accuracy of the system over the coming months. This could be a very cost-effective tool for local authorities to assist the management of air quality”.


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key role in improving urban air quality monitoring data


Highly advanced PM2.5 PM10


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IET NOVEMBER / DECEMBER 2023


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It is evident that the changing regulations and increasing concerns about air pollution in London have led to signifi cant shifts in the requirements for monitoring particulate matter from construction and demolition activities. The Mayor’s focus on addressing air pollution is driving these changes, and this has impacted instrumentation suppliers like AcSoft.


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AcSoft and similar suppliers have been required to adapt to these changes by providing cost-effective and robust


solutions that can measure both PM2.5 and PM10


particulate matter from a


single instrument. This requirement aims to capture a more comprehensive picture of air quality, considering not only construction site dust but also exhaust emissions from plant vehicles and generators.


In response to these needs, AcSoft has looked for solutions that can offer multiple benefi ts, such as measuring various parameters beyond just particulate matter. The Airly particulate remote monitor, in this case, has gained signifi cance due to its MCERTS certifi cation for PM2.5


and PM10 by the CSA group. This certifi cation provides a level of assurance about the accuracy and reliability of the measurements.


One notable advantage of the Airly system is its capability to measure additional parameters like smaller particulates and gases, making it a versatile option for comprehensive air quality monitoring. Additionally, the ability to power the system using a small solar panel is a crucial aspect. This addresses the challenges associated with powering dust measurement systems, which are known to consume a signifi cant amount of power. The reliance on solar panels not only makes the system cost-effective but also aligns with the environmentally friendly approach required to combat air pollution.


The affordability of the Airly system compared to other MCERTS- certifi ed systems and its reduced reliance on larger solar panels further enhance its appeal. The lifetime warranties and strong customer support offered by Airly and Svantek contribute to making these options the preferred choices for those seeking effective dust monitoring solutions in the city.


Overall, the evolving regulatory landscape and increased emphasis on air quality improvement have driven suppliers like AcSoft to fi nd and supply innovative and effi cient ways to provide accurate and comprehensive data while minimising the environmental impact of monitoring activities. The Airly system’s capabilities align well with these requirements, positioning it as a strong contender in the fi eld of air quality monitoring for construction and demolition activities in London.


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