Pros:
- Help users find healthy places in their areas to enjoy fresh air.
- Monitor quality of air to let you know when is a good time in a day to go out.
- Small so you can carry it to anywhere easily
Cons:
- Can't buy now. Only can pre-order.
- Price is reasonable for people in developed countries but a bit high for people in developing countries.
RE: Flow Smart Air Quality Tracker - Measure the air pollution in your environment