Posts

Showing posts from May, 2023

Raspberry Pi Air Monitor System

Image
 Air Pollution Measurement Man made air pollution is a major cause of diseases such as lung cancer, stroke, heart disease, asthma, resulting in around 30,000 premature deaths each year in the UK alone. The Covid episode has highlighted how susceptible our lungs are to invasion by a virus. It would seem we need to take far more precautions over what we breath in, both viral and dust particles. Air pollution causes can be broken down into - sulphur dioxide - carbon monoxide - ozone - nitrogen dioxide - particle pollution This blog is about the last type, the particles are generally broken down into 3 sizes - 1 micrometer size, refered to as PM1 - 2.5 um, PM2.5 - 10 um, PM10 It seems reasonable to know what levels we are subjected to. Some pollution is beyond our control as individuals – traffic, industrial. But some is self inflicted – barbecues, wood burning stoves, coal fires. garden fires, cooking – and therefore controllable. But how much pollution do these activities really produ