What are the 4 major indoor air pollutants?

What are the 4 major indoor air pollutants?

The Environmental Protection Agency has noted that excess moisture, volatile organic compounds, carbon monoxide, and radon are four major indoor air pollutants.

How much more polluted is indoor air?

According to the EPA, however, the levels of indoor air pollutants are often 2 to 5 times higher than outdoor levels, and in some cases these levels can exceed 100 times that of outdoor levels of the same pollutants. In other words, sometimes the air inside can be more harmful than the air outside.

What are the major indoor air pollution problems?

Indoor air pollution has been linked to a wide variety of adverse health effects, including headaches, respiratory problems, frequent colds and sore throats, chronic cough, skin rashes, eye irritation, lethargy, dizziness and memory lapses. Long-term effects may include an increased risk of cancer.

How many people does indoor air pollution affect?

Indoor air pollution is a leading risk factor for premature death. The IHME estimates it’s responsible for 1.6 million deaths each year. The WHO puts this figure at 4.3 million.

How does indoor air pollution affect the world?

We look in detail at the data and research on the health impacts of Indoor Air Pollution, attributed deaths, and its causes across the world in our full entry: Indoor Air Pollution. We look in detail at how exposure to Outdoor Air Pollution, its health impacts and attributed deaths across the world in our full entry: Outdoor Air Pollution.

What are the two contexts of air pollution?

It develops in two contexts: indoor (household) air pollution and outdoor air pollution. We look in detail at the data and research on the health impacts of Indoor Air Pollution, attributed deaths, and its causes across the world in our full entry: Indoor Air Pollution.

What are the parameters of indoor air quality?

3. Results and Discussion Parameters Number Of measurements Average Minimum Indoor Radon (Bq·m −3) 88 46.8 21 Outdoor Temperature (°C) 136 14.85 −1.2 Outdoor Relative humidity (%) 136 51.97 20.5 Outdoor CO 2 (ppm) 136 465.6 342

Where does the air pollution in your home come from?

Indoor air pollution can come from sources outside the home, such as emissions from transport or smoke from neighbouring wood heaters, and from sources within homes. Common air pollutants in homes Particulate matter (particles or PM2.5 and PM10) Nitrogen dioxide (NO2)