Holy Trinity CE Academy in Calne has become the first location in Wiltshire to host a new air quality sensor as part of the Wiltshire Community Air Network (WCAN) project.
This initiative, spearheaded by Wiltshire Council, aims to monitor PM2.5 air pollution across the county using a network of over 100 low-cost sensors. PM2.5 refers to fine particulate matter, tiny particles in the air that pose significant risks to human health and the environment.
The WCAN project seeks to gather real-time data on PM2.5 levels, making the information publicly accessible online.
"We will be purchasing 100 low-cost air quality sensors that we want to position in a range of locations across Wiltshire," said Cllr Dominic Muns, Cabinet Member for Environment and Public Protection.
"We are offering to loan the sensors for one year to interested individuals and organisations. The year-long project will improve our understanding of PM2.5 air pollution across the county."
The data collected will inform long-term monitoring strategies and identify effective pollution reduction measures.
The council also hopes to build a network of "local champions" to support the project. Priority will be given to placing sensors in high-traffic areas such as schools, medical facilities, and supported housing, with allocations based on population size within Wiltshire's 18 community areas.
Graham Shore, Headteacher at Holy Trinity CE Academy, expressed enthusiasm for the project. "We are very pleased to be the first school in Wiltshire to be hosting one of these air quality sensors. Our school is located on a busy road and close to a recycling centre which is why we want to find out more about emissions and pollution levels."
Mr Shore added that the data would be integrated into the curriculum, enriching maths and science lessons for students.
The sensors require an outdoor location, mains power, and a stable internet connection. Support will be provided to volunteers for setup and maintenance. At the project's conclusion, hosts can choose to keep the sensor or return it for recycling.
While existing data suggests Wiltshire enjoys predominantly good air quality, pockets of concern exist where traffic, road layout, and topography trap pollutants. Historically, nitrogen dioxide and PM10 were the primary concerns, but recent improvements have led to the potential revocation of air quality management orders in several areas.
The current focus has shifted to PM2.5, as evidence of its harmful effects continues to grow. Though not currently mandated by the UK Government's Local Air Quality Management framework, local authorities are encouraged to actively reduce PM2.5 emissions within their control.
Wiltshire Council will soon release more details on how individuals and organisations can participate in the WCAN project.
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