Featured Post from Aston University

Aston University atmospheric chemist praises introduction of Birmingham’s Clean Air Zone

Jun 1, 2021

3 min

Dr Stephen Worrall
  • Dr Stephen Worrall has praised the introduction of the Clean Air Zone in Birmingham
  • The expert in atmospheric chemistry said current levels within the city have to drop for the health of all
  • Birmingham’s Clean Air Zone (CAZ) comes into effect on 1 June


Dr Stephen Worrall is a lecturer in chemistry at Aston University

A leading atmospheric chemist from Aston University has welcomed the introduction of Birmingham’s Clean Air Zone (CAZ) from 1 June 2021 and has said it will be an important step in tackling air pollution.



Dr Stephen Worrall, a lecturer in chemistry in the College of Engineering and Physical Sciences, said the long-term effects of the change will be beneficial to people’s health throughout the city.


Air pollution particularly affects the most vulnerable in society, including children and older people, and those with heart and lung conditions. The annual health cost to society of the impacts of particulate matter alone in the UK is estimated to be around £16 billion*.


Dr Worrall said: “In my opinion the CAZ is undoubtedly a good idea. In many of our cities, but definitely in Birmingham, the levels of many types of pollution and especially nitrogen dioxide (NO2) are high and have been above the guideline levels for a very long time, so it is welcome that these changes are happening.”


Dr Worrall said current levels of NO2 in Birmingham in May 2021 have frequently exceeded 45 – 50 micrograms per cubic meter, mainly caused by road traffic emissions. The last reported yearly average for the city centre was as high as 74 micrograms per cubic meter, taken from the measuring site at St Chads Queensway.


The primary aim of the CAZ is to reduce the levels of NO2 to 40 micrograms per cubic meter.


“What is interesting about 2020 is those levels were still quite high at times despite us being into lockdown, when there were significantly fewer vehicles on the road. The live, daily readings from this year are also often exceeding the recommended levels, both of which are telling,” he said.


Dr Worrall has significant experience in the subject, having spent a portion of his post-doctoral research in Beijing where he took live air pollution measurements, monitored problematic levels and discussed with international colleagues’ ways to address these issues.


He said: “I was working and living in a very polluted area of the city and it was very noticeable on a daily basis how polluted it was. The levels of NO2 in 2017 while I was there were on average 103 micrograms per cubic meter, which was very high.”

Dr Worrall added he believed the CAZ would have a big impact on Birmingham’s overall health but that the situation needed to be closely monitored.


“There is significant evidence to suggest that there are serious long term health issues that arise from breathing in high levels of NO2, as well as Particle Matter (PM), an air pollutant which is absorbed into the blood stream through penetrating the lungs. These include asthma, bronchitis, lung cancer, heart disease and strokes.


“Whilst there is local concern about the economic impact of the CAZ which must be taken into account, reducing these levels will benefit all of us, particularly those living in areas of deprivation who have been shown to be most significantly harmed by these high levels of pollution, as Birmingham’s biggest cause of pollution is from cars,” he said.


Read more about College of Engineering and Physical Sciences at Aston University, here.


Connect with:
Dr Stephen Worrall

Dr Stephen Worrall

Lecturer in Chemistry

Dr Worrall's research interests are focused upon the interface between metal-organic frameworks and electrochemistry.

Thin Films and NanotechnologyNanomaterials SynthesisMaterial CharacterizationMaterial CharacteristicsThin Film Deposition

You might also like...

Check out some other posts from Aston University

2 min

Aston University researcher investigates safety risks of secondhand cosmetics sold online

As second-hand beauty products grow in popularity, so do questions about their safety. At Aston University, Dr Amreen Bashir, senior lecturer in biomedical science, is leading an academic investigation into the microbiological risks associated with pre-owned cosmetics being sold through online platforms like Vinted and Facebook Marketplace. The project, which has received ethical approval from the University’s Health and Life Sciences Ethics Committee, will assess the types of bacteria and potential contaminants found in used cosmetics – such as makeup and skincare – when they are resold and reused by new owners.  “Second-hand beauty is trending for sustainability and affordability,” said Dr Bashir. “But very little research has explored what’s actually living in those products — and what kind of risk that might pose to everyday users.” Why this matters Pre-owned beauty items are often marketed as sustainable and cost-effective, but without careful handling they can harbour microorganisms – from bacteria to mould – that may cause infections, allergic reactions, or worse. Without knowing when a product was first opened or its expiry date, buyers could be unknowingly using unsafe cosmetics. Dr Bashir’s study will be among the first in the UK to analyse not just contamination, but also expiry timelines, and how low consumer awareness of these dates adds to the risk. The study will explore: • Types of microbiological contamination found in used products • Risks posed by product type (e.g., mascaras vs. powders) • Storage conditions and packaging integrity • Expiry dates and consumer awareness, for example: - Cosmetics have expiry timelines printed as either a date or a small jar symbol with a number (e.g., 6M, 12M, 24M, 36M), indicating months after opening. - Products can be contaminated long before the expiry date if not stored properly. - Dr Bashir’s previous research found that many makeup users didn’t know where to find the expiry date on the packaging and often kept products for years past their safe-use period. Potential to shape consumer safety and regulation With second-hand beauty sales on the rise, the findings could help shape public health messaging, consumer awareness campaigns, and online marketplace guidelines. Results could also support industry discussions on product labelling, returns, and hygiene standards. The project bridges the gap between digital consumer behaviour and health science, with implications for how individuals make purchasing decisions and how regulations adapt to a fast-changing beauty market. ⸻ Want to learn more or collaborate? Updates will be shared through academic publications and public-facing channels once data collection and sample testing are complete. Click on the icon below to connect with: Dr Amreen Bashir, senior lecturer in biomedical sciences Areas of expertise: Clinical microbiology, antimicrobial resistance, bacteria found in food, makeup products, food and water microbiology

3 min

Unexpected A-Level results? Here’s advice from a psychologist

On 14 August young people across England, Northern Ireland and Wales will receive their A Level results. Many will receive the grades they hoped for however those who receive results that aren’t as expected, either worse or better, there is the option of entering Clearing, the period when universities advertise remaining places on undergraduate courses Aston University is offering guidance to help secure a place on a degree course and those who already have their results can enter Clearing from 5 August. There is more information about the process on the Aston University website at https://www.aston.ac.uk/clearing/guide Going through the process of waiting for and receiving A Level results can be overwhelming Dr Natalia Stanulewicz-Buckley is a social health psychologist and is a lecturer in the School of Psychology and Aston Medical School at Aston University. She has the following advice for anyone who doesn’t get the grades for which they hoped: “What if your A-level results are not what you hoped for? Breathe. Feel. Regroup. The path ahead still holds endless possibilities. “As people get older and gain more life experience, they often realise that what once seemed like a humongous failure or disappointment, with time, bears a lighter load. So, what advice would I share with young people facing A-level results that may not have aligned with their expectations and hopes, and who might be facing Clearing or having to consider other options? “First of all, take a few long inhales and even longer exhales (for 3-4 minutes). This kind of breathing exercise can help you feel calmer when facing a stressful situation. “Next, acknowledge your feelings. It’s okay to feel disappointed, disheartened, or even angry when life doesn’t go according to plan. These emotions show that this outcome matters deeply to you. But they don’t mean that all is lost. “Take time to sit with your emotions and try to share your concerns with people who might be going through a similar experience, or with those you trust to support you - friends, siblings, family members, or teachers. There is truth in the saying, ‘A problem shared is a problem halved.’ “Once you've made space for your emotions and worked through them - remember, emotions are like waves; they arise, reach a peak, and then subside - you might feel more ready to consider your options. Believe me, there will be many, Clearing, taking a year out to travel or volunteer, doing an internship, and more. “Ask yourself, 'What path is most aligned with my plans and ambitions for the future?' Follow that answer. And who knows - perhaps in time, you’ll look back on this stressful moment and the decisions you made in response to it and realise that having to re-adjust your university plans was the best thing that could have happened. “As the saying goes, ‘When one door closes, another one opens.’ But most importantly, please be kind to yourself. Treat yourself as you would a close friend—with understanding, support, and compassion. It may be reassuring to remember that you did the best you could in the situation you were in, with the resources you had. That is all anyone could ever ask of you.” To interview Dr Stanulewicz-Buckley or for other media enquiries contact Nicola Jones, Press and Communications Manager, on (+44) 7825 342091 or email: n.jones6@aston.ac.uk To find out more about Dr Stanulewicz-Buckley’s work visit https://research.aston.ac.uk/en/persons/natalia-stanulewicz-buckley Courses available through clearing at Aston University can be viewed at https://www.aston.ac.uk/clearing/vacancies and anyone who is waiting for their results can register for Priority Clearing at https://www.aston.ac.uk/clearing#register to receive vacancy alerts, advice and tips. From 8am Thursday 14 August there will be three easy ways to apply for courses at Aston University through Clearing, either call 0800 917 5923 to speak with an adviser, submit a Clearing application form at https://www.aston.ac.uk/clearing/guide or use the online live chat service. Finally, students can message on Instagram at https://www.instagram.com/AstonUniversity/

3 min

First AI-powered Smart Care Home system to improve quality of residential care

Partnership between Lee Mount Healthcare and Aston University will develop and integrate a bespoke AI system into a care home setting to elevate the quality of care for residents By automating administrative tasks and monitoring health metrics in real time, the smart system will support decision making and empower care workers to focus more on people The project will position Lee Mount Healthcare as a pioneer of AI in the care sector and opening the door for more care homes to embrace technology. Aston University is partnering with dementia care provider Lee Mount Healthcare to create the first ‘Smart Care Home’ system incorporating artificial intelligence. The project will use machine learning to develop an intelligent system that can automate routine tasks and compliance reporting. It will also draw on multiple sources of resident data – including health metrics, care needs and personal preferences – to inform high-quality care decisions, create individualised care plans and provide easy access to updates for residents’ next of kin. There are nearly 17,000 care homes in the UK looking after just under half a million residents, and these numbers are expected to rise in the next two decades. Over half of social care providers still retain manual and paper-based approaches to care management, offering significant opportunity to harness the benefits of AI to enhance efficiency and care quality. The Smart Care Home system will allow for better care to be provided at lower cost, freeing up staff from administrative tasks so they can spend more time with residents. Manjinder Boo Dhiman, director of Lee Mount Healthcare, said: “As a company, we’ve always focused on innovation and breaking barriers, and this KTP builds on many years of progress towards digitisation. We hope by taking the next step into AI, we’ll also help to improve the image of the care sector and overcome stereotypes, to show that we are forward thinking and can attract the best talent.” Dr Roberto Alamino, lecturer in Applied AI & Robotics with the School of Computer Science and Digital Technologies at Aston University said: “The challenges of this KTP are both technical and human in nature. For practical applications of machine learning, it’s important to establish a common language between us as researchers and the users of the technology we are developing. We need to fully understand the problems they face so we can find feasible, practical solutions. For specialist AI expertise to develop the smart system, LMH is partnering with the Aston Centre for Artificial Intelligence Research and Application (ACAIRA) at Aston University, of which Dr Alamino is a member. ACAIRA is recognised internationally for high-quality research and teaching in computer science and artificial intelligence (AI) and is part of the College of Engineering and Physical Sciences. The Centre’s aim is to develop AI-based solutions to address critical social, health, and environmental challenges, delivering transformational change with industry partners at regional, national and international levels. The project is a Knowledge Transfer Partnership. (KTP). Funded by Innovate UK, KTPs are collaborations between a business, a university and a highly qualified research associate. The UK-wide programme helps businesses to improve their competitiveness and productivity through the better use of knowledge, technology and skills. Aston University is a sector leading KTP provider, ranked first for project quality, and joint first for the volume of active projects. For more information on the KTP visit the webpage.

View all posts
Powered by