Why Indoor Air Quality Matters During Flu Season

Emily Low | Jan 07 2026 15:00

When flu season hits here in Monroe County and the Toledo area, keeping the air in your home clean can make a real difference in how you feel. Since most of us spend nearly all our time indoors, it’s important to make sure the air we breathe is as healthy as possible.

Where Indoor Pollutants Come From

Your home can collect all kinds of particles you may not even notice—things like viruses, bacteria, pollen, dust mites, pet dander, and mold. Everyday activities such as cooking, cleaning, or even using certain paints and products can also release chemicals into the air. Over time, all of this adds up.

How Poor Air Quality Affects Your Health

Breathing in polluted air can lead to headaches, fatigue, coughing, or irritated eyes. And during flu season, poor air quality can make symptoms worse or make it easier for viruses to spread. That’s why taking small steps to improve the air in your home can have a big impact on your comfort and health.

Why Air Quality Testing Helps

Air quality testing gives you a clear picture of what’s floating around in your home—whether it’s mold spores, dust, carbon monoxide, or chemical vapors. Once you know what’s there, it’s easier to fix the problem and create a healthier space.

Don’t Forget Your HVAC Filter

Your HVAC filter plays a huge role in keeping your air clean. When it’s dirty or clogged, your system has to work harder and pollutants slip right through. Checking and replacing your filter every 1–3 months is one of the simplest ways to improve indoor air quality.

When to Consider Duct Cleaning

Over time, your air ducts can collect dust, allergens, and even mold. Having them inspected and cleaned periodically helps prevent those particles from circulating through your home again and again.

Keeping Humidity in Check

Dry winter air can make it easier for viruses to spread, while overly humid homes can encourage mold and dust mites. A balanced level—usually between 30% and 50%—helps keep your air healthier and more comfortable. Humidifiers or dehumidifiers can help you maintain that sweet spot.

How Air Purifiers Can Help

Air purifiers with HEPA filters add an extra layer of protection by catching tiny particles like allergens and some bacteria. They’re not a replacement for good ventilation or regular HVAC maintenance, but they do make a noticeable difference.

The Power of Fresh Air

Whenever possible, letting in fresh air helps dilute pollutants and clears out stale indoor air. Good ventilation also helps reduce the spread of viruses during flu season.

Simple Habits for Cleaner Indoor Air

Here are a few easy steps that go a long way:

- Avoid smoking indoors
- Use exhaust fans while cooking
- Choose gentle, low-chemical cleaning products
- Vacuum regularly with a HEPA-filter vacuum

With flu season in full swing, taking a few small steps—like changing your filter, improving ventilation, or checking your home's humidity—can make your space healthier and more comfortable. If you ever want help improving your indoor air quality, we’re always here to help.