# WiFi not connecting

**URL:** https://community.purpleair.com/t/wifi-not-connecting/2590
**Category:** Troubleshooting
**Created:** [October 31, 2022, 3:44pm UTC](https://community.purpleair.com/t/wifi-not-connecting/2590 "2022-10-31T15:44:54Z")
**Posts on this page:** 1
**Showing post:** 4

<div class="post-metadata">

### Author: ![timh](https://avatars.discourse-cdn.com/v4/letter/t/ac91a4/32.png) [@timh](https://community.purpleair.com/u/timh)
#### Post date: [February 23, 2023, 4:48pm UTC](https://community.purpleair.com/t/wifi-not-connecting/2590/4 "2023-02-23T16:48:54Z")

</div>

You can read more about that here:

> [@What Do PurpleAir Sensors Measure and How Do They Work?](https://community.purpleair.com/t/what-do-purpleair-sensors-measure-and-how-do-they-work/3499):
>
> What PurpleAir Sensors Measure Measurements taken by PurpleAir sensors include: Particulate matter VOCs\* Temperature Pressure Relative humidity These and other derived data can be viewed on the [PurpleAir Map](https://map.purpleair.com/) by opening [map settings](https://community.purpleair.com/t/purpleair-map-guide/90#p-117-configuration-menu-7) and selecting the appropriate data layer. PurpleAir sensors do not generally measure Ozone, but there are an extremely small number that do as the result of [a project with Citizens of Clean Air](https://community.purpleair.com/t/the-ozone-data-layer-on-the-purpleair-map/973). The small number is due to the cost of Ozone sensors, which can exc…

If your sensor is on the PurpleAir map, select “Experimental VOC” from the options for “Data layer:” within the map [Configuration Menu](https://community.purpleair.com/t/map-start-up-guide/90) (cog symbol)

---

_[View the full topic](https://community.purpleair.com/t/wifi-not-connecting/2590)._