# Real-Time Map **URL:** https://community.purpleair.com/c/faq/real-time-map/37.md [Latest](https://community.purpleair.com/latest.md) · [Categories](https://community.purpleair.com/categories.md) --- ## [About the Real-Time Map category](https://community.purpleair.com/t/about-the-real-time-map-category/3731)
**Author:** [@PurpleAir](https://community.purpleair.com/u/PurpleAir)\ **Replies:** 0\ **Last updated:** [February 24, 2023, 8:02pm UTC](https://community.purpleair.com/t/about-the-real-time-map-category/3731 "2023-02-24T20:02:49Z")
This sub-category is related to FAQ questions about the PurpleAir map. --- ## [Why isn't my map location being saved?](https://community.purpleair.com/t/why-isnt-my-map-location-being-saved/21815)
**Author:** [@PurpleAir](https://community.purpleair.com/u/PurpleAir)\ **Replies:** 0\ **Last updated:** [July 24, 2025, 10:41pm UTC](https://community.purpleair.com/t/why-isnt-my-map-location-being-saved/21815 "2025-07-24T22:41:00Z")
We recently cleared cookie consent data for the website and the PWA (app), which may cause the map or PWA to load fully-zoomed out, instead of saving your last visited location, as it should do normally. To have the map … --- ## [Can I set my PurpleAir sensor to private, and how do I view a private sensor on the map?](https://community.purpleair.com/t/can-i-set-my-purpleair-sensor-to-private-and-how-do-i-view-a-private-sensor-on-the-map/819)
**Author:** [@PurpleAir](https://community.purpleair.com/u/PurpleAir)\ **Replies:** 9\ **Last updated:** [February 21, 2025, 11:00pm UTC](https://community.purpleair.com/t/can-i-set-my-purpleair-sensor-to-private-and-how-do-i-view-a-private-sensor-on-the-map/819 "2025-02-21T23:00:40Z")
Setting Your Sensor to Private When registering your PurpleAir sensor, you have the option to designate it as either public or private with the Visibility option. Public Sensors: Visible to all users on the PurpleAi… --- ## [What does downgraded mean on the graph?](https://community.purpleair.com/t/what-does-downgraded-mean-on-the-graph/821)
**Author:** [@PurpleAir](https://community.purpleair.com/u/PurpleAir)\ **Replies:** 0\ **Last updated:** [June 3, 2022, 4:29pm UTC](https://community.purpleair.com/t/what-does-downgraded-mean-on-the-graph/821 "2022-06-03T16:29:44Z")
PurpleAir PA-II and PA-II-SD sensors contain two laser particle counters that measure real-time particulate matter and report as Channel A and Channel B. If one of the channels appears to be reading improperly, it can b… --- ## [What do I do With a Replacement Sensor?](https://community.purpleair.com/t/what-do-i-do-with-a-replacement-sensor/10347)
**Author:** [@PurpleAir](https://community.purpleair.com/u/PurpleAir)\ **Replies:** 0\ **Last updated:** [September 25, 2024, 10:04pm UTC](https://community.purpleair.com/t/what-do-i-do-with-a-replacement-sensor/10347 "2024-09-25T22:04:35Z")
If you get a new sensor because an old one has failed, there is nothing special you have to do. There isn’t a way to link a new sensor with an old sensor’s map dot. So all you have to do is register the new sensor in wha… --- ## [Can I add data from non-PurpleAir sensors?](https://community.purpleair.com/t/can-i-add-data-from-non-purpleair-sensors/820)
**Author:** [@PurpleAir](https://community.purpleair.com/u/PurpleAir)\ **Replies:** 0\ **Last updated:** [June 3, 2022, 4:28pm UTC](https://community.purpleair.com/t/can-i-add-data-from-non-purpleair-sensors/820 "2022-06-03T16:28:53Z")
At this time, only PurpleAir sensors can report to the PurpleAir Map. --- ## [How do I view Outdoor/Indoor/My PurpleAir sensors?](https://community.purpleair.com/t/how-do-i-view-outdoor-indoor-my-purpleair-sensors/816)
**Author:** [@PurpleAir](https://community.purpleair.com/u/PurpleAir)\ **Replies:** 0\ **Last updated:** [June 3, 2022, 4:18pm UTC](https://community.purpleair.com/t/how-do-i-view-outdoor-indoor-my-purpleair-sensors/816 "2022-06-03T16:18:30Z")
In the map’s configuration menu, there are checkboxes for “Outside Sensors”, “Inside Sensors”, and “Show My Sensors.” Check the boxes of the sensors you want to be visible on the PurpleAir map. Outdoor sensor icons have … --- ## [Should I use the conversion factors on the PurpleAir map?](https://community.purpleair.com/t/should-i-use-the-conversion-factors-on-the-purpleair-map/815)
**Author:** [@PurpleAir](https://community.purpleair.com/u/PurpleAir)\ **Replies:** 4\ **Last updated:** [March 14, 2024, 2:23am UTC](https://community.purpleair.com/t/should-i-use-the-conversion-factors-on-the-purpleair-map/815 "2024-03-14T02:23:17Z")
The default setting on the PurpleAir map is the US EPA PM2.5 AQI calculated from the raw PM2.5 concentration reported by PurpleAir sensors. More information is available here: PurpleAir Data Calibrations Purple Air uses… --- ## [How do I log in to the PurpleAir map?](https://community.purpleair.com/t/how-do-i-log-in-to-the-purpleair-map/818)
**Author:** [@PurpleAir](https://community.purpleair.com/u/PurpleAir)\ **Replies:** 5\ **Last updated:** [August 23, 2023, 10:11pm UTC](https://community.purpleair.com/t/how-do-i-log-in-to-the-purpleair-map/818 "2023-08-23T22:11:46Z")
At this time, you can only log in to the PurpleAir website with a Google associated account. If you set the Owner’s Email to a Google account when registering the sensor, you can log in to the PurpleAir map. This enables… --- ## [What is the PurpleAir map?](https://community.purpleair.com/t/what-is-the-purpleair-map/811)
**Author:** [@PurpleAir](https://community.purpleair.com/u/PurpleAir)\ **Replies:** 8\ **Last updated:** [June 20, 2023, 8:27pm UTC](https://community.purpleair.com/t/what-is-the-purpleair-map/811 "2023-06-20T20:27:57Z")
This map is populated exclusively with data from PurpleAir sensors from the PurpleAir network. Each icon on the map represents a public PurpleAir sensor, and the color indicates the real time PM2.5 reading on the US EPA … --- ## [How many sensors are there in a particular area?](https://community.purpleair.com/t/how-many-sensors-are-there-in-a-particular-area/1105)
**Author:** [@PurpleAir](https://community.purpleair.com/u/PurpleAir)\ **Replies:** 0\ **Last updated:** [June 30, 2022, 3:14pm UTC](https://community.purpleair.com/t/how-many-sensors-are-there-in-a-particular-area/1105 "2022-06-30T15:14:24Z")
You can find out how many sensors are in a given area using the PurpleAir map. Zoom in on your desired area on the map. Open the javascript console - click here for instructions on how to open the javascript console ba… --- ## [How do I view average rings on the sensor icons?](https://community.purpleair.com/t/how-do-i-view-average-rings-on-the-sensor-icons/817)
**Author:** [@PurpleAir](https://community.purpleair.com/u/PurpleAir)\ **Replies:** 0\ **Last updated:** [June 3, 2022, 4:21pm UTC](https://community.purpleair.com/t/how-do-i-view-average-rings-on-the-sensor-icons/817 "2022-06-03T16:21:41Z")
If you prefer to see the sensor averages to display on the map dots, check “Averages as Show Rings” on the map controller. The rings give a visual display of the average historic readings, showing the same averages you s… --- ## [How do I view different types of data on the PurpleAir map?](https://community.purpleair.com/t/how-do-i-view-different-types-of-data-on-the-purpleair-map/814)
**Author:** [@PurpleAir](https://community.purpleair.com/u/PurpleAir)\ **Replies:** 0\ **Last updated:** [June 3, 2022, 4:15pm UTC](https://community.purpleair.com/t/how-do-i-view-different-types-of-data-on-the-purpleair-map/814 "2022-06-03T16:15:11Z")
You can select the data type displayed on the PurpleAir map using the Map Data Layer drop-down menu in the map legend. --- ## [What do the Numbers on the PurpleAir Map Mean?](https://community.purpleair.com/t/what-do-the-numbers-on-the-purpleair-map-mean/812)
**Author:** [@PurpleAir](https://community.purpleair.com/u/PurpleAir)\ **Replies:** 0\ **Last updated:** [June 3, 2022, 4:12pm UTC](https://community.purpleair.com/t/what-do-the-numbers-on-the-purpleair-map-mean/812 "2022-06-03T16:12:54Z")
The default display on the PurpleAir map is the United States Environmental Protection Agency (EPA) Air Quality Index (AQI) scale for PM2.5. The AQI allows comparison for different pollutants with an easy-to-visualize co…