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Indoor air & daily living · Practical guide

Seasonal allergies: Why your home isn't protecting you enough?

Pollen can enter on clothes, hair and through ventilation. Discover useful everyday habits and the real role of filtration.

Indoor air & everyday living

Coming home does not automatically end exposure to pollen. The goal is to limit what gets in, reduce what accumulates, and maintain proper ventilation.

Key takeaway

An appliance can complement useful household habits. It does not replace a diagnosis or treatment prescribed for an allergy.

Pollen doesn’t just come in through the window

After being outside, it can be carried on clothes and hair. Textiles and surfaces then offer places for it to settle. Keeping all windows closed at all times therefore does not, on its own, resolve indoor exposure.

The situation varies depending on the region, the season, and the pollens to which you are sensitive. Check your local pollen index rather than relying solely on the weather or a calendar date.

A simple routine, especially in the bedroom

Upon returning from outside

Change your clothes and avoid placing those worn outside on the bed. Rinse your hair in the evening to limit transfer to the pillow.

For laundry

During pollen season, avoid drying laundry outside. If laundry is dried indoors, be sure to also evacuate the humidity produced.

For ventilation

The French National Health Insurance (Assurance Maladie) recommends airing out your home for at least ten minutes a day, preferably before sunrise and after sunset, while taking the local situation into account.

Reduce irritant sources in living areas: smoke, scented products, and unnecessary use of aerosols. For cleaning, favor methods that trap dust and maintain your vacuum cleaner according to its manual.

In the evening, stick to a regular routine rather than opting for sporadic cleaning sessions. A tidy bedroom with easy-to-clean textiles makes these habits easier.

What a purifier can contribute

A filtration device can reduce certain airborne particles, depending on its filter, airflow rate, duration of use, and room size. It does not eliminate all pollutants and does not remove deposits already present in textiles.

  • Airflow adapted to the room: look for a documented cleaning capacity, such as a CADR rating when available.
  • Filter and maintenance: check its reference number, replacement cost, and manufacturer guidelines.
  • Noise levels: an acceptable speed for daily use allows for more consistent operation.
  • Emissions: opt for appropriate filtration and avoid devices designed to produce ozone in an occupied space.

The term HEPA, when documented, describes filtration performance; it does not in itself guarantee a medical benefit or identical effectiveness in every room.

Pollen, humidity, or both?

A dehumidifier acts primarily on the water present in the air. A hygrometer measures humidity. For pollen-related issues, first look for filtration features and advice adapted to your allergy.

If a home is also damp, identify the causes and monitor the surfaces. Treating humidity can limit favorable conditions for mold, but it does not constitute an allergy treatment.

Persistent symptoms?

Seek advice from a doctor or pharmacist. If you have asthma, follow the prescribed care plan; home equipment should not replace it.

Identify the need before the device.

Describe your room and what you are looking to improve. We will help you identify the relevant features in the Oréair selection.

Contact Oréair ↗Understanding dehumidification ↗

References: Assurance Maladie — Hay fever and EPA — Guide to Air Cleaners in the Home. General information, not personalized medical advice.