French Phrase
Comment est‑ce que le brouillard affecte la visibilité ?
Meaning
The sentence asks for an explanation of how fog influences what can be seen. It literally means ‘How does fog affect visibility?’ and is commonly used when discussing weather conditions, road safety, or aviation.
When to use
Use this question when you want to talk about the impact of fog on driving, walking, or any activity that depends on clear sight. It’s typical in weather reports, safety briefings, or casual conversation about a misty morning.
✦Grammar Breakdown
Commentest‑cequelebrouillardaffectelavisibilité?
Comment (How)
Used to ask 'how' something happens; placed at the beginning of a question.
Est‑ce que (question particle)
A neutral way to turn a statement into a yes/no or wh‑question without changing word order.
Affecter (to affect)
A regular -er verb; conjugated here in the third‑person singular present: affecte.
La visibilité (visibility)
A feminine noun; the article 'la' agrees with the noun.
🗨In Conversation
Comment est‑ce que le brouillard affecte la visibilité ?
How does fog affect visibility?
Le brouillard réduit considérablement la visibilité, parfois à quelques mètres seulement, ce qui rend la conduite très dangereuse.
Fog greatly reduces visibility, sometimes to only a few meters, which makes driving very dangerous.
✕Common Mistakes
Comment est‑ce que le brouillard affecte la visibilité ?
Do not confuse with the English spelling ‘affect’; the French verb is ‘affecter’ and the third‑person singular present is ‘affecte’.
Comment est ce que le brouillard affecte la visibilité ?
Avoid omitting the hyphen or space; the correct form is ‘est‑ce que’.
Comment est‑ce que le brouillard affecte le visibilité ?
Never add an extra article; ‘la visibilité’ is already definite.
↔Alternatives
Comment le brouillard influence‑t‑il la visibilité ?
How does fog influence visibility?
En quoi le brouillard diminue‑t‑il la visibilité ?
In what way does fog diminish visibility?
Quel est l’impact du brouillard sur la visibilité ?
What is the impact of fog on visibility?
Cultural Tip
In France, especially in coastal regions like Brittany or mountainous areas such as the Alps, fog is a frequent topic. When discussing fog, French speakers often add safety advice (e.g., ‘Allumez vos feux de brouillard’). Using the formal ‘est‑ce que’ structure is polite and works well in both casual and professional settings.