How to keep mosquitoes away using burnt coffee powder

Mosquitoes are not just annoying — they can spread serious diseases like dengue, malaria, and chikungunya. While chemical sprays and coils are commonly used, many people are now turning to natural alternatives. One highly effective and inexpensive method is using burnt coffee powder. The strong aroma released when coffee is burnt acts as a powerful mosquito repellent. This simple trick requires no expensive equipment and can be done easily at home, making it ideal for daily use in bedrooms, balconies, and outdoor areas.

Why Burnt Coffee Powder Works Against Mosquitoes

Coffee contains compounds that produce a pungent smell when burnt. Mosquitoes rely heavily on their sense of smell to find hosts. The smoky aroma from burnt coffee powder disrupts their olfactory receptors, making it difficult for them to locate humans. Unlike chemical repellents, this method is non-toxic and safe for children and pets.

Step-by-Step Guide: How to Use Burnt Coffee Powder

Take 2-3 tablespoons of used or fresh coffee powder (used coffee works better as it burns slowly). Place it in a heat-proof dish or metal plate. Light it carefully using a matchstick or lighter until it starts smouldering and producing smoke (do not let it catch fire). Place the smouldering coffee powder in the corners of the room, near windows, or on the balcony. Leave it for 15-20 minutes. The smoke will spread and create a mosquito-free zone.


For best results, repeat this process in the evening and before bedtime.

Additional Benefits and Tips

Long-lasting effect: The smell lingers for several hours. Cost-effective: Uses leftover coffee grounds. Dual benefit: It also helps eliminate bad odours in the room. For outdoor areas, place multiple dishes around seating zones. Combine with other natural methods like planting mosquito-repelling plants (basil, lemon grass, or marigold) for better protection.