personal air purifiers that 'neutralise pollution' come to london - good air purifier

And contaminated personal purifiers are racing to make clean air bubbles around Londoners.
The British company Dyson has created a Pure Cool Link purifier-
In tower and desktop versions-
Two foreign starts
Ups is crowdfunding for personal mobile spaces including public transport, offices and baby carriages.
Both claimed to clean about a metre of air around the user.
One has a filter and the other does not.
The air aura is produced in Hong Kong, which is twice as polluted as in London.
"Plasma generator reactors" use electricity to kill contaminated particles as they pass through.
Inventor Tsui created the "portable air sterilizer "-
About the size of a large can of drinks-
After the outbreak of Sars respiratory disease in 2003
The charging device costs £ 136 for bacteria, allergen compounds, fungal spores and tiny PM2.
Common particles in waste gas. California-
Wynd-based companies also clean up the air around users and update them through the app.
The unit costs £ 89 to suck in dirty particles from the top and push clean air. A separately-
Sell air quality tracker links to smartphones via Bluetooth.
Once the filter is used up, a new filter of about £ 5 will be automatically posted to the owner's home.
Users are told that the amount of pollution they filter every day is MG, equivalent to the amount of cigarettes.
Inventor Ray Wu set up the company after seeing his relatives suffer from poor air quality in Beijing.
Level 5 is six times worse than London.