NO2 the silent killer of our
busy cities mainly produced
by vehicles combustion engines
Even when the sky is blue it does not mean that the air is not polluted. “Nitrogen dioxide pollutes the air mainly as a result of traffic and the combustion of fossil fuel in industrial processes. It has a significant impact on human health, contributing particularly to respiratory problems.” – The European Space Agency NO2 map
Integrate MEMS sensor to the wearable
Ensure gas selectivity
Lower cross-sensitivity
Stabilize repeatability with varying external factors
