Summer is a wonderful time to enjoy the outdoors, but extreme heat and humidity can place extra stress on your respiratory system. High temperatures, increased air pollution, wildfire smoke, pollen, and elevated ozone levels can make breathing more difficult—especially for older adults, children, people with asthma or COPD, outdoor workers, and anyone spending extended periods outside.

Fortunately, there are several natural ways to support your lungs and protect your respiratory health during the hottest months of the year.

1. Stay Active—But Exercise Smart

Regular physical activity helps improve lung capacity, strengthens respiratory muscles, and promotes healthy circulation. However, during periods of extreme heat, timing is everything.

Instead of exercising during the hottest part of the day (typically between 10 a.m. and 4 p.m.), choose cooler hours such as early morning or after sunset.

Great summer-friendly activities include:

• Walking at sunrise

• Swimming

• Indoor cycling

• Air-conditioned fitness classes

• Gentle yoga or stretching indoors

Listen to your body. If you begin feeling dizzy, short of breath, nauseated, or excessively fatigued, stop exercising immediately and move to a cool location.

2. Practice Deep Breathing in Cool, Clean Air

Deep breathing exercises help improve oxygen exchange, reduce stress, and strengthen your lungs. During hot weather, practicing these techniques in a cool indoor environment can be even more beneficial.

Try incorporating:

• Diaphragmatic (belly) breathing

• Pursed-lip breathing

• Box breathing

Even five to ten minutes each day can help your lungs work more efficiently while encouraging relaxation during stressful or uncomfortable weather conditions.

3. Improve Your Indoor Air Quality

When outdoor temperatures soar, many people spend more time indoors. Making sure your indoor air is clean can greatly benefit your respiratory system.

Helpful tips include:

• Keep windows closed when outdoor air quality is poor.

• Use air conditioning with a clean filter.

• Consider using an air purifier to remove airborne particles.

• Avoid cigarette smoke, vaping, candles, and harsh chemical cleaners.

• Add air-purifying houseplants like snake plants, peace lilies, or aloe vera to your living space.

Checking your local air quality index before spending time outdoors can also help you plan safer activities.

4. Hydrate Your Body—and Your Lungs

Hydration becomes even more important during extreme heat.

Water helps:

• Keep your airways moist

• Thin mucus so it clears more easily

• Regulate body temperature

• Prevent dehydration, which can make breathing feel more difficult

Aim to drink water consistently throughout the day instead of waiting until you're thirsty.

Support your lungs with foods rich in antioxidants and anti-inflammatory nutrients, including:

• Berries

• Leafy greens

• Citrus fruits

• Tomatoes

• Bell peppers

• Nuts and seeds

• Fatty fish such as salmon or tuna

You can also increase hydration by eating water-rich foods like watermelon, cucumbers, strawberries, celery, and oranges.

5. Rest, Recover, and Avoid Heat Stress

Your body repairs itself during sleep—including your respiratory system. Aim for seven to nine hours of quality sleep each night.

During heat waves:

• Wear lightweight, breathable clothing.

• Take frequent breaks if working outdoors.

• Find shade whenever possible.

• Sit and stand with good posture to allow your lungs to fully expand.

• Never ignore signs of heat exhaustion such as heavy sweating, rapid heartbeat, confusion, dizziness, or difficulty breathing.

Giving your body adequate time to recover can help reduce the physical stress that extreme heat places on your lungs and cardiovascular system.

Bonus Tip: Check the Heat Index Before Heading Outside

The temperature alone doesn't tell the whole story. Humidity can make it feel much hotter and place additional strain on your body.

Before spending extended time outdoors:

• Check the local heat index and air quality.

• Schedule outdoor activities during cooler parts of the day.

• Wear sunscreen and a wide-brimmed hat.

• Carry water with you wherever you go.

• Take frequent cooling breaks.

A little planning can go a long way in protecting your respiratory health.

Final Thoughts

Your respiratory system works around the clock to deliver oxygen to every cell in your body. During periods of intense summer heat, giving your lungs extra support is one of the best investments you can make in your overall health.

By staying hydrated, exercising wisely, practicing deep breathing, improving indoor air quality, eating nutrient-rich foods, and getting plenty of rest, you can help your lungs function at their best—even on the hottest days of the year.

Remember, if you have asthma, COPD, heart disease, or another chronic health condition, consult your healthcare provider before making significant changes to your exercise or wellness routine. Seek immediate medical attention if you experience severe shortness of breath, chest pain, confusion, or symptoms of heat stroke.

Be Natural Tip: Healthy living isn't just about eating well—it's about making daily choices that help your body thrive in every season. Protect your lungs this summer, stay cool, stay hydrated, and keep breathing easy!

Curron McIntyre HHC