If you’re living in San Diego—or thinking about buying a home here—you probably already appreciate the beautiful weather, ocean breezes, and stunning scenery. But what about the air inside your home? While San Diego’s outdoor air quality ranks better than many metropolitan areas, indoor air can still be a problem, especially in older homes or those close to busy roads.
Improving the air quality of your home not only enhances comfort but also supports better health, increases energy efficiency, and may even boost your home’s value.
Whether you're a longtime homeowner or in the market to buy, here are practical, San Diego-specific strategies to help you breathe easier at home.
1. Start with an Indoor Air Quality Assessment
Before making any upgrades, it’s smart to assess your home’s current air quality. Many companies in San Diego specialize in indoor air quality testing, offering services that detect mold, allergens, VOCs (volatile organic compounds), radon, and other pollutants. This can be especially valuable if you’re buying an older property in areas like La Jolla, Kensington, or North Park where historic charm sometimes comes with outdated HVAC systems or moisture issues.
Tip: If you're buying, look for certified environmental consultants or request an indoor air quality test during your home inspection.
2. Embrace the Ocean Breeze—Ventilate Naturally
One of the perks of San Diego living is the ability to keep windows open nearly year-round. Natural ventilation can significantly reduce indoor air pollution by flushing out stale air and bringing in fresh ocean breezes. However, if you live near busy roads like Interstate 5 or 805, be strategic about when you ventilate—early mornings or late evenings tend to have lower pollution levels.
Tip: Install window screens and secure window locks so you can leave windows open safely. Also, check for local “Spare the Air” days to know when to keep windows closed.
3. Upgrade to a HEPA Filter HVAC System
Many homes in San Diego, especially those built in the mid-20th century, don’t have central air. If you’re planning a renovation or just moved into a new place in neighborhoods like Point Loma or Clairemont, consider upgrading to a modern HVAC system with HEPA filtration. These filters remove over 99% of airborne particles, including dust, mold spores, pollen, and pet dander.
Bonus for sellers: An HVAC upgrade with advanced filtration can be a selling point that attracts health-conscious buyers, especially families and retirees.
4. Control Humidity—Especially Near the Coast
San Diego's coastal neighborhoods—like Pacific Beach, Del Mar, and Coronado—enjoy cool, moist air, but that humidity can lead to mold and mildew inside homes. Keeping indoor humidity levels between 30% and 50% helps prevent these issues and discourages dust mites.
Solution: Use a dehumidifier in high-moisture areas such as bathrooms, laundry rooms, or basements. For homes closer to the ocean, whole-house dehumidifiers may be worth the investment.
5. Choose Low-VOC Paints and Materials
If you’re remodeling or repainting your home in areas like Encinitas or Hillcrest, opt for low-VOC or no-VOC paints, adhesives, and finishes. VOCs are chemicals that evaporate into the air and can cause headaches, respiratory problems, and long-term health issues. Many modern, eco-conscious homebuyers in San Diego are specifically looking for properties that use sustainable and non-toxic materials.
Pro Tip: Ask your contractor to use green-certified products and always ventilate well during and after remodeling.
6. Add Air-Purifying Plants—But Use Them Wisely
San Diego’s climate is perfect for houseplants year-round, and some can even help filter indoor air. Plants like snake plants, peace lilies, and spider plants can absorb toxins and improve air quality, but only when used correctly. Be mindful not to overwater, as damp soil can become a breeding ground for mold.
Note: For pet owners, check if a plant is non-toxic before bringing it indoors.
7. Keep It Clean—Regular Maintenance is Key
Routine cleaning makes a significant difference in air quality. Dust, pet dander, and allergens build up quickly, especially in carpeted homes or properties with lots of fabric furniture. In San Diego’s dusty inland neighborhoods like Poway and Scripps Ranch, this is especially important.
Action Steps:
- Vacuum with a HEPA filter weekly
- Wash bedding in hot water
- Replace HVAC filters every 3 months
- Clean ceiling fans, vents, and air ducts annually
8. Ban Indoor Smoking and Minimize Scented Products
Even occasional indoor smoking—of any kind—can severely impact air quality. The same goes for heavy use of scented candles, incense, or plug-in air fresheners, which often release VOCs.
Alternatives: Use essential oil diffusers with natural oils, or better yet, open your windows to freshen up the space. Even a few minutes of cross-ventilation can make a big difference in San Diego's temperate climate.
9. Install Exhaust Fans in Key Areas
Kitchens and bathrooms are hotspots for indoor pollution—think cooking fumes and steam. Exhaust fans help by actively removing moisture and airborne particles. If your current fans are noisy or ineffective, consider upgrading to energy-efficient, quiet models.
Local tip: Homes in Mission Hills, South Park, and older beach bungalows often lack proper ventilation—this is a smart update to add value and comfort.
10. Stay Ahead with Smart Air Monitors
For tech-savvy San Diegans, smart home devices are a practical way to monitor and maintain air quality. Devices like the Airthings View Plus or Awair Element provide real-time data on pollutants, humidity, temperature, and more, sending alerts straight to your phone. These are especially helpful for families with allergies or asthma.
Added Bonus: Smart monitors are an appealing tech feature for potential buyers in the competitive San Diego real estate market.
Final Thoughts: Make Air Quality a Priority in Your San Diego Home
Improving the air quality of your home isn’t just about comfort—it’s an investment in your health and your property’s long-term value. In a market as desirable as San Diego’s, modern buyers are increasingly concerned about indoor environmental quality. Whether you're living in a coastal cottage in Ocean Beach or a hillside home in El Cajon, there are smart, sustainable ways to make your space healthier.
Looking for more tips or personalized recommendations? I’m Sonja Huter, your trusted San Diego real estate expert. Whether buying, selling, or simply upgrading your lifestyle, I’m here to help you create a home that supports well-being and delivers lasting value.
Ready to breathe easier in your dream home? Contact me today to get started.