It'll come as no surprise to you that every day we breathe polluted air. The air quality varies wildly by climate, country, and even street. Poor air quality can cause a whole range of complications, not least to yourself and your family's health.

But what if you could monitor the air quality where you are right now? That's the objective of Plume Labs, a French startup who have just launched their first mobile air quality tracker: Flow, available now for $180.

Flow is a small, palm-sized device designed to monitor air quality on the go. It represents Plume Labs first hardware product, but it doesn't show. It's an attractive device that has had a lot of attention paid to the design.

The upper portion of Flow has many small holes located all around the device to allow air to pass into the sensors beneath. However, those air holes result in the device not being waterproof, so you need to take extra care in rainy conditions. Flow's inconspicuous design means you won't feel embarrassed to carry it around with you.

The attention to detail continues with the vegan leather strap attached to the top. The strap is soft and isn't a struggle to open or close. Flow is relatively unique in that the device is portable. Most smart or connected air quality monitors are designed to be left at home or the office, not carried around with you throughout your day.