Observational, multicenter, study conducted in 12 hospitals in the Nord and Pas-De-Calais departments. The aim of this study is to describe the relationship between reported exposure to molds and asthma control in a pediatric population.

Each patient followed by a specialized asthma pediatrician in one of the study center will be proposed to participate in the study.

Children aged 1 to < 18 years, with asthma diagnosis, based on the assessment of a specialized physician after a follow-up of at least 6 months Inclusion, non-inclusion and exclusion criteria will be verified by the investigators. The questionnaires will be completed during the consultation, collected by the physician in charge of the consultation and sent to the principal investigator for data entry.

Inclusion will take place over a period of 12 consecutive months from the date of obtaining regulatory approval.

Inclusion Criteria:

• Children aged 1 to < 18 years, with asthma diagnosis, based on the assessment of a specialized physician after a follow-up of at least 6 months, Follow-up in one of the study center in Nord and Pas de Calais departments (Lille, Lens, Tourcoing, Valenciennes, Arras, Roubaix, Seclin, Armentières, Calais, Boulogne/mer, Dunkerque, GHICL-Saint Vincent) over an inclusion period of 12 months

Exclusion Criteria:

• Children living ≤ 50% of the weekly time in their primary home (e.g., shared custody)
• Children whose living arrangement characteristics are difficult to analyze (e.g., child accompanied by grandparents or by the parent without primary custody)
• Children whose residence has recently changed, making it impossible to assess the impact of the living arrangement over the past year
• Children living outside of the Nord and Pas-de-Calais departments
• Children whose parents are unable to complete the questionnaire

Children follow-up by a specialized asthma pediatrician in secondary (general hospital) and tertiary care (Lille university hospital) centers.