Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you have been placed in read-only mode.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
suppose i have placed a pm sensor at a point A , now a person is standing at point B which is 500m northeast of A, suppose a moderate wind is blowin from southwest to north east then how can i calculate the ppm level at point b