Breathe easy? Air pollution trackers put to the test

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Air pollution trackers put to the test
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Breathe straightforward? Air air pollution trackers put to the check

6 March 2017 Final up to date at 03:26 GMT

Do the newest private air air pollution devices truly work?

BBC Click's Lara Lewington investigates in the event that they may help her decide the healthiest path to take.

Learn/watch extra:

What does air pollution do to our bodies?

Is there a way to tackle air pollution?

How bad is air pollution?

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