Category: air quality

The European Union Agreed on New Rules & PM2.5/NO2 Limits for Cleaner Air

Sotirios Papathanasiou7 Comments

On February 20, 2024, the Council of the EU released a press release that discusses the agreement reached by the Council and Parliament to strengthen air quality standards in the EU. The new standards are expected to improve air quality and reduce premature deaths. They will be reviewed regularly and could be further strengthened in the future.

EU lawmakers have joined forces to strengthen air quality standards by 2030. These new, stricter limits and targets align more closely with World Health Organization (WHO) recommendations and will be subject to regular review. The updated directive tackles a range of air pollutants, including fine particles (PM2.5 and PM10), nitrogen dioxide (NO2), sulphur dioxide (SO2), and even toxic metals like arsenic and lead. Each pollutant has its own specific standard, with the most significant reductions targeting those posing the greatest health risks. For example, annual limits for PM2.5 and NO2 will be more than halved, dropping from 25 µg/m³ to 10 µg/m³ and 40 µg/m³ to 20 µg/m³, respectively.

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Saving Lives, Breath by Breath: Learn about WHO AirQ+ (Free Software)

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Air pollution hangs heavy over many parts of the world, silently claiming millions of lives each year. Researchers and policymakers are locked in a crucial battle against this invisible enemy, and WHO AirQ+ software serves as a powerful weapon in their arsenal. Available for macOS, MS Windows, and Linux in English, French, German, Russian and Spanish.

This free, user-friendly software, developed by the World Health Organization (WHO), quantifies the health impacts of air pollution. It’s not just about measuring harmful particles or gases; it translates those numbers into real-world consequences, shedding light on the human cost of poor air quality.

How AirQ+ Works:

  • Estimates Health Effects: Enter air pollution data for a specific location, and AirQ+ calculates the burden of diseases attributed to various pollutants like particulate matter (PM), ozone, and nitrogen dioxide. This includes premature deaths, respiratory illnesses, and other health problems.
  • Short-Term & Long-Term Impact: Analyze both immediate effects from spikes in pollution and the accumulated burden from chronic exposure.
  • Future Scenarios: Model the potential health benefits of interventions like reducing emissions or switching to cleaner fuels. Imagine thousands of lives saved, just by seeing the numbers.
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UNE 171380:2024 − Continuous Measurement of CO2 Indoors to Improve the Health and Well-being of Users

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The Spanish Association for Standardization presented the new UNE 171380 standard on CO2 monitoring for health prevention. The University of Seville has played a significant role in the development of these regulations through the Architecture, Heritage and Sustainability Research Group: Acoustics, Lighting, Optics and Energy, represented by researchers Samuel Domínguez and Miguel Ángel Campano.

This standard is a great achievement in the prevention of airborne disease transmission, based on everything learned after the SARS-CoV-2 health emergency, and transparent information to the public about the air quality of establishments.

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US EPA Finalizes New Standards for Harmful Particulate Matter (PM2.5)

Sotirios Papathanasiou2 Comments

In a landmark decision, on February 7th, 2024 the Environmental Protection Agency (EPA) unveiled stricter regulations for fine particulate matter, a major air pollutant linked to numerous health problems. This marks the first update to the EPA’s standards in over a decade, and officials anticipate it will save thousands of American lives annually. Fine particulate matter, often referred to as “soot,” penetrates deep into lungs and even enters the bloodstream, posing significant health risks.

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Let’s Talk about the Elephant in the Room, Carbon Dioxide (CO2)

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As an indoor generation, we spend our lives between walls, making the quality of the air we breathe there essential for our health and well-being. While many pollutants lurk within our buildings, carbon dioxide (CO2), often associated with climate change, might be closer than you think – impacting not just the environment, but also your cognitive abilities.

In low concentrations, CO2 is naturally present in the air we breathe, primarily released from our own respiration. However, poorly ventilated indoor spaces can lead to a buildup of this colorless, odorless gas, potentially reaching levels detrimental to occupants. The effects go beyond drowsiness or headaches, potentially impacting our ability to think clearly and perform tasks effectively.

Studies have shown a clear link between elevated CO2 levels and declines in cognitive function. In one study, researchers exposed healthy adults to various CO2 concentrations while they performed cognitive tasks. They found that even at moderate levels (around 1,000 parts per million, ppm), compared to fresh air conditions, participants experienced:

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Air Pollution Chronicle (Granada, Spain Edition)

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They say that good air quality is a fundamental right for all, and at the same time, they say that 99% of the population worldwide is exposed to air pollution above WHO Air Quality Guidelines. Mixed messages here. Even though I have already shared the story on a Tweet thread, I decided to write an article as well because of the permanence of the article and because it is easier to share.

December 17th, 2023

I arrived in Granada, Spain for the holidays. A blanket of smoke was covering Granada and the small towns around with a total area of over 100 km2. Although I was super tired, the intense smell of smoke inside the apartment and the fact that I knew that there was a lot of particulate pollution indoors didn’t permit me to sleep well.

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Cozy Fireplaces, Clouded Lungs: Why Wood Burning Stoves are a Holiday Health Hazard

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The holidays conjure up images of crackling fires, warm hearths, and cozy evenings. But for many, especially those living in communities with widespread wood burning, this idyllic picture masks a grim reality: a significant decline in indoor and outdoor air quality. Wood burning stoves, while charming and nostalgic, are a major contributor to indoor and outdoor air pollution, posing serious health risks to both the occupants of the house and the surrounding community.

Indoor Air: A Smoky Trap

Burning wood releases a cocktail of harmful pollutants, including fine particulate matter (PM2.5), carbon monoxide, nitrogen oxides, and volatile organic compounds (VOCs). These microscopic particles can easily infiltrate the lungs and bloodstream, causing a range of health problems:

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Holiday Cheer, Hazy Air: How Festive Practices Can Harm Indoor Air Quality

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The holidays are a time for celebration, filled with the warmth of family gatherings, delicious meals, and festive decorations. However, amidst the joy, some seemingly harmless traditions can have unintended consequences for our indoor air quality.

1. Culinary Combustion: The Peril of Holiday Feasts

Holiday dinners often involve hours spent in the kitchen, with ovens cranking and stoves blazing, filling the air with a medley of aromas. While tempting, this culinary combustion releases volatile organic compounds (VOCs) from cooking oils, burning meat, and even vegetables. VOCs can irritate eyes and lungs, exacerbate respiratory issues, and contribute to poor air quality. Keep ventilation on!

2. Fragrant Fumes: The Unseen Threat of Candles and Incense

Candles and incense are staples of holiday decor, adding warmth and ambience to our homes. Unfortunately, their burning releases pollutants like particulate matter and volatile organic compounds, impacting air quality. For those with asthma or allergies, these irritants can trigger unpleasant reactions. Say no to candles and incense burning!

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Holidays and Air Quality Presents 🎁❤️

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I know it sounds very consumeristic, but we all have to give some kind of a gift to friends and family as this is the social norm. Why not give something that will also help people be aware of the air quality in the ambient they spend most of their time, indoors?

Air Quality Monitors

You can find air quality monitors for all wallets. The most important thing to consider is not the amount of sensors the monitor has, but the effectiveness of the monitor in communicating the air quality information to the users and always consider products that are meant to last. Super cheap products are not a good investment for your wallet and the environment. e-waste is a real issue on a global scale.

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BS 40102 – A Two Part Standard on Health, Wellbeing, Thermal Comfort, and Indoor Air Quality

Sotirios Papathanasiou2 Comments

The BS 40102, a fresh standard introduced in 2022 (draft released) by the British Standards Institute, focuses on assessing the health, wellbeing, and indoor environmental quality (IEQ) of buildings. It incorporates an updated best-practice method for addressing thermal comfort, indoor air quality, and overheating in buildings.

Regarding the new exposure limits, they are derived from various sources, including the DEFRA Daily Air Quality Index, WHO Air Quality Guidelines 2021, BREEAM and WELL Guidelines, and British Standard BS EN 16798-1.

Part 1 – Health and Wellbeing in Buildings

  • BS 40102-1 gives recommendations for the measuring, monitoring and reporting of the well-being and IEQ performance of an occupied building and the associated building services.
  • BS 40102-1 provides an evaluation and rating system (IEQ performance score), the aim of which is to enhance IEQ, to create healthier buildings and improve the well-being of building occupants; including but not limited to staff, visitors, tenants and customers. 
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