3 links have been added on this idea.
  1. This mosquito repellent spray with pleasant-smelling essential oils is a great alternative.

  2. Check out this Japanese brand of mosquito coils. They are hyped for having some rather pleasing scents.

  3. The odor from burning mosquito coils is not only pungent but can also be harmful depending on the substances used to make the repellents.
    https://www.healthshots.com/preventive-care/self-care/why-burning-mosquito-coil-is-dangerous-for-your-health/