Most people spend about 90% of their time indoors, so indoor particle levels can strongly influence total exposure. Air fresheners can make rooms smell pleasant, they only mask odours, they dont clean the air. When air fresheners are sprayed or evaporate, they release volatile organic compounds (VOCs) into the air. These VOC’s can react with ozone in indoor air to create secondary pollutants, including small particles similar to PM2.5.

  • Kitchen – Air Freshner, plug-ins, Cleaning products
  • Living Room – Candles and Incense, Scented Diffusers,
  • Bathroom – Hair products, gels, body care products, nail polish.
  • Garage – Pesticides, construction materails, paints, solvents.

VOC’s – Volatile organic compounds

Common VOC’s include:


PM2.5

PM2.5 stands for particulate matter that is 2.5 micrometers (µm) or smaller in diameter. Because the particles are extremely small, they can:

Long-term exposure is linked to diseases such as:

Air pollution particles are estimated to contribute to millions of deaths worldwide each year.


Household activities that generate fine particles include:

1. Cooking

2. Burning things