A technology company has made a new device to help clean the air against at for from in inside of on outside to up our home. The company is called Dyson. It has just launched an air purifier called the Pure Cool Link. A spokesperson said the purifier captures against at for from in inside of on outside to up to 99.95 per cent against at for from in inside of on outside to up pollutants against at for from in inside of on outside to up the air against at for from in inside of on outside to up the home. Pollutants are the things that dirty the air, such as dust, smells, chemicals, pollen and smoke. This is great against at for from in inside of on outside to up people who have allergies or against at for from in inside of on outside to up those with asthma. A special fan in the device cleans the air in a room against at for from in inside of on outside to up just 30 to 60 minutes. It also continually monitors the air quality in the home to automatically keep it against at for from in inside of on outside to up safe levels. The device can be linked to an app so that users can control it against at for from in inside of on outside to up anywhere in the world. Pollution is a growing problem against at for from in inside of on outside to up the world. However, most of us think pollution is only a danger against at for from in inside of on outside to up the home. This is not always true. James Dyson, the founder against at for from in inside of on outside to up the Dyson company, said: "We think it is polluted outside of our homes, but the air against at for from in inside of on outside to up can be far worse." Hugo Wilson, the lead designer against at for from in inside of on outside to up Dyson, explained why the air against at for from in inside of on outside to up our homes can be more polluted than the air outside. He said: "Modern homes have been built to be more sealed against at for from in inside of on outside to up noise and trap heat, which means the pollutants we create inside the home are also trapped and build against at for from in inside of on outside to up to levels up against at for from in inside of on outside to up five times more polluted indoors than out." The air purifiers will be against at for from in inside of on outside to up sale for between $500 and $650.