Improving Indoor Air Quality In a Polluted World

In a world where the air we breathe can have a profound impact on our health and longevity, recent data released by the Air Quality Life Index at the University of Chicago sheds light on the undeniable connection between air quality and lifespan. According to their research, the Clean Air Act has contributed to extending the average Delawarean’s life by almost 3 years(!) since the 1970s. However, there’s still much room for improvement, as adopting stricter air quality standards recommended by the World Health Organization could potentially add even more precious months to our lives.

This information resonates far beyond the boundaries of Delaware; it’s a stark reminder that air quality is a universal concern. While the United States boasts some of the cleanest air globally, we cannot overlook the dire situation in parts of the developing world. In these regions, poor air quality slashes lives short by a staggering five to 10 years, underscoring the gravity of the issue. As the study’s authors aptly put it, air pollution stands as “the world’s greatest external risk to human health.”

Among the various pollutants, fine particulate matter, colloquially referred to as smoke or soot, emerges as the primary culprit. The insidious nature of these particles allows them to infiltrate our bloodstream and even breach the blood-brain barrier. Their long-term effects are nothing short of alarming, contributing to ailments such as asthma, cardiovascular diseases, and dementia. Even transient exposure at low levels can lead to measurable declines in cognitive function and physical abilities.

Thankfully, history provides a glimmer of hope through the success of the Clean Air Act in the U.S.: past industrial practices were significant contributors to fine particulate pollution, but the legislation’s stringent measures led to a substantial reduction in emissions. Over the span of just over two decades, the average annual concentration of fine particles in the American air plummeted from 12.5 micrograms per cubic meter to 7.8.

Nonetheless, recent trends reveal a disconcerting reversal. Escalating wildfire seasons, fueled by a changing climate and unsustainable forestry practices, have caused fine particle concentrations to surge once more. Take, for instance, Minneapolis, where a 24-hour period in mid-June recorded smoke concentrations averaging 85 micrograms per cubic meter—ten times higher than the annual state average. The pressing reality is that wildfires are predicted to persist, casting a shadow over the future of air quality.

The scenario worsens in developing regions, where industrial emissions remain a significant threat. Compounded by wood-fired heating and cooking methods, indoor air quality often plummets to levels even more hazardous than outdoor air. This highlights the critical importance of addressing indoor air pollution as a complementary effort to combat outdoor air pollution on a global scale.

In the grand scheme of things, the toll taken by dirty air is staggering. The Air Quality Life Index found that in 2021 alone, the average individual on Earth lost over two years of life expectancy due to polluted air. These statistics emphasize the urgency of taking action to ensure that the air we breathe doesn’t rob us of our potential years.

In the face of these challenges, it’s more important than ever to empower ourselves with practical steps to enhance indoor air quality, especially when outdoor air quality is less than optimal:

  1. Invest in Air Purifiers: A high-quality air purifier equipped with HEPA filters can significantly reduce the concentration of indoor pollutants, providing a safer haven for you and your loved ones.
  2. Opt for Natural Ventilation: When outdoor air quality permits, open windows and doors to allow fresh air circulation. This simple practice can help flush out indoor pollutants and improve overall air quality.
  3. Choose Indoor Plants Wisely: Some indoor plants, such as peace lilies, spider plants, and snake plants, possess natural air-purifying properties. Incorporating these plants into your indoor spaces can help mitigate pollutants.

In a world where the air we breathe transcends borders and invades our homes, it’s our collective responsibility to champion clean air for our families. Let’s heed the lessons of the Clean Air Act, advocate for stronger air quality standards outdoors, and take proactive measures to safeguard our indoor spaces. Remember, as we navigate a polluted world, every breath we take shapes the life we live.

Further information on the methodologies used for the referenced study can be found at this link.


If you live in Delaware, Eastern Pennsylvania, or New Jersey; and you want to get a customized report on how your home can improve to potentially increase the lifespan of those that live in it, please reach out to Breathe Clean! We love that!

If you’re OUTSIDE of those areas but would like consulting on how to best improve your home’s performance, don’t hesitate to reach out! You’ve still got options! Breathe Clean offers Remote Consulting so we can discuss over the phone or via xdqzSWvideo how to get your home in poor IAQ fighting shape!

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