Taos Temps: Is Adobe Rotting Summer Lungs?

By Franklin Everett Shaw

March 5, 2026

The scent of piñon smoke hangs heavy in the Taos air, a comforting aroma that speaks of tradition and home. But for some, that same air carries a hidden threat, a microscopic menace lurking within the very walls of their adobe dwellings. Could the unique composition of these historic homes be contributing to a rise in respiratory ailments, specifically a condition known as “summer lungs” or hypersensitivity pneumonitis? The answer, while complex, demands our attention.

Adobe, a mixture of earth, water, and straw, is a naturally porous material. This porosity, while beneficial for temperature regulation, also creates an ideal environment for microbial growth.

• Mold spores, bacteria, and other allergens thrive in the damp, dark recesses within adobe walls.
• These microorganisms release volatile organic compounds (VOCs) and mycotoxins into the air.

These airborne irritants can trigger an immune response in susceptible individuals, leading to inflammation of the lungs and the development of hypersensitivity pneumonitis.

Hypersensitivity pneumonitis (HP), often dubbed “summer lungs” in regions like Taos due to its seasonal exacerbation, is an inflammatory lung disease caused by the inhalation of organic dusts, molds, and other allergens.

• Symptoms can range from mild coughing and shortness of breath to severe respiratory distress.
• Chronic exposure can lead to irreversible lung damage and fibrosis.

The link between adobe homes and respiratory issues in Taos isn’t just anecdotal. Studies have shown a higher prevalence of respiratory problems in residents of adobe homes compared to those living in conventionally built structures.

• A 2018 study by the University of New Mexico found a correlation between mold spore counts in adobe homes and reported respiratory symptoms in residents.
• The study highlighted the presence of Aspergillus, Penicillium, and Stachybotrys species, all known to be potent allergens and mycotoxin producers.

Identifying potential risks in your adobe home is the first step towards protecting your respiratory health.

• Visual Inspection: Look for signs of water damage, such as stains, discoloration, or peeling paint. Pay close attention to areas around windows, doors, and the foundation.
• Smell Test: A musty or earthy odor can indicate the presence of mold. Don’t dismiss it as simply the “smell of adobe.”
• Moisture Meter: Use a moisture meter to check the moisture content of your adobe walls. High moisture levels (above 17%) create a breeding ground for mold.
• Professional Mold Inspection: If you suspect a mold problem, hire a certified mold inspector to conduct a thorough assessment. They can identify the type of mold present and recommend appropriate remediation strategies.

Remediation strategies for mold and allergens in adobe homes require a delicate balance. Harsh chemicals can damage the adobe structure and release harmful fumes.

• Address the Source of Moisture: This is the most crucial step. Repair any leaks, improve ventilation, and ensure proper drainage around the foundation.
• Clean with Natural Products: Use a solution of vinegar and water or baking soda and water to clean mold-affected surfaces. Avoid bleach, as it can damage adobe.
• Apply a Natural Mold Inhibitor: Borax-based solutions can effectively inhibit mold growth without harming the adobe.
• Improve Ventilation: Increase airflow by opening windows and using fans. Consider installing a dehumidifier to reduce moisture levels.
• Consider Clay Plaster: Applying a fresh coat of clay plaster can help to seal the adobe and prevent moisture from penetrating the walls.

One common mistake is simply painting over mold. This only masks the problem and allows the mold to continue growing beneath the surface. Another pitfall is using harsh chemicals that can damage the adobe and release harmful fumes.

Preventative measures are key to maintaining long-term respiratory health in adobe homes.

• Regularly Inspect for Leaks: Check your roof, windows, and plumbing for any signs of leaks. Address them promptly to prevent moisture buildup.
• Maintain Good Ventilation: Open windows and use fans to circulate air. Ensure that your home is properly ventilated, especially during humid months.
• Control Humidity: Use a dehumidifier to maintain a humidity level below 50%.
• Clean Regularly: Dust and vacuum frequently to remove allergens.
• Consider Air Purifiers: Invest in a high-efficiency particulate air (HEPA) filter air purifier to remove airborne allergens and mold spores.
• Landscaping: Ensure proper grading around the house to direct water away from the foundation. Trim vegetation that is close to the house to improve airflow.

Consider the case of Maria, a long-time resident of Taos who developed chronic coughing and shortness of breath after moving into an older adobe home. A professional mold inspection revealed extensive mold growth behind the walls, caused by a leaky roof. After repairing the roof and remediating the mold, Maria’s symptoms gradually improved.

Another example is the Martinez family, who built a new adobe home using sustainable building practices. They incorporated passive solar design, natural ventilation, and clay plaster to create a healthy and energy-efficient living environment. They have had no respiratory issues since moving in.

Living in an adobe home in Taos offers a unique connection to history and culture. However, it’s crucial to be aware of the potential health risks associated with these structures. By taking proactive steps to identify and address moisture problems, remediate mold growth, and maintain good indoor air quality, you can enjoy the beauty and charm of adobe living without compromising your respiratory health.

Don’t let the allure of adobe blind you to the potential dangers lurking within its walls. Knowledge is power, and by understanding the unique challenges of adobe homes, you can create a healthy and thriving living environment for yourself and your family.