Jump to content

User contributions for 81.82.241.8

For 81.82.241.8 talk block log logs filter log
Search for contributionsshowhide
⧼contribs-top⧽
⧼contribs-date⧽

4 May 2017

28 April 2017

  • 09:1309:13, 28 April 2017 diff hist +91 Particle numberParticle number in air quality is not the same thing as PM. These are 2 very different variables. One of them is an expression of mass while the other is an expression of a quantity of particles of a defined size. Tag: Visual edit