# About the PM10 category

**URL:** https://forum.airnowtech.org/t/about-the-pm10-category/260
**Category:** PM10
**Created:** [April 10, 2018, 9:11pm UTC](https://forum.airnowtech.org/t/about-the-pm10-category/260 "2018-04-10T21:11:16Z")
**Posts on this page:** 1
**Page:** 1

<div class="post-metadata">

### Author: ![mwhylton](https://forum.airnowtech.org/user_avatar/forum.airnowtech.org/mwhylton/32/21_2.png) [@mwhylton](https://forum.airnowtech.org/u/mwhylton)
#### Post date: [April 10, 2018, 9:11pm UTC](https://forum.airnowtech.org/t/about-the-pm10-category/260/1 "2018-04-10T21:11:16Z")

</div>

(Replace this first paragraph with a brief description of your new category. This guidance will appear in the category selection area, so try to keep it below 200 characters. **Until you edit this description or create topics, this category won’t appear on the categories page.** )

Use the following paragraphs for a longer description, or to establish category guidelines or rules:

- Why should people use this category? What is it for?

- How exactly is this different than the other categories we already have?

- What should topics in this category generally contain?

- Do we need this category? Can we merge with another category, or subcategory?
