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
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