There are numbers everywhere. LPT: if you’re using Purple Air to monitor air quality due to wild fires, set Conversion -> LRAPA, as a smoke-specific adjustment factor (.48 according to this study, closest to … There is plenty of confusion when it comes to Air Quality Index readings during this time of smoke-filled skies from the historic outbreak of wildfires. Built-in WiFi enables the … These sensors count suspended particles in sizes of … By contrast, PurpleAir gave values that are in the 130s to 150s. An iOS and MacOS application to display PurpleAir air quality sensor data on a map, in a Widget and a full application.. PurpleAir sensors are an "Internet of things" (IOT) air quality sensor or particulate sensor consisting of a network of elements Laser Particle Counter: PurpleAir uses PMS5003 and PMS1003 laser particle counters. Purple Air. With the PA-I-Indoor’s full-color LED, the resulting glow indicates air quality at a glance from across the room. This project shows how to display the Air Quality Index (AQI) of a based on the Purple Air real-time monitoring community’s outdoor sensors sensor right on … The quality of the air we breathe can be very important, particularly right now with recent wildfires on the west coast of the US. For example, on August 21st, when I checked these sites, the AQI given on AirNow.gov for the 94720 zip code of Berkeley was 107. I installed a Purple Air PA-II sensor at my office in Hartland, MI in early June, and have been impressed with its performance. Edit on 9/30/2020, since this old post continues to get a lot of attention: I recommend that you check out this article about reconciling the official government numbers and Purple Air's. Air Quality Reader for iOS and MacOS Overview. Sporting a simple design that sits comfortably on a counter or tabletop, the PA-I-Indoor measures real-time PM2.5 concentrations. Y ou may have noticed PurpleAir and AirNow.gov giving different Air Quality Index (AQI) values for your zip code.