Which apps use PurpleAir?
Although PurpleAir currently does not have an app, there is a free iOS app called Local Haze which supports PurpleAir’s monitors. The app detects the nearest sensor to you and displays some basic data for the PM2. 5 concentration in real-time.
What is PurpleAir app?
Real-time air quality monitoring for people who care about the air. PurpleAir makes sensors that a community of citizen scientists use to collect hyper-local, real-time air quality data and share it on a map that is accessible to everyone.
Is PurpleAir app accurate?
For the national data set of sensors collocated with regulatory-grade monitors, results show that PurpleAir sensors, when corrected, accurately report NowCast AQI categories 90% of the time as opposed to uncorrected PurpleAir data, which are accurate only 75% of the time.
What do PurpleAir numbers mean?
Purple means air quality is very unhealthy.
How do you use purple air?
- On a WiFi enable device open the list of available WiFi networks.
- Connect to the sensor’s network “PurpleAir-xxxx”. …
- Depending on your operating system or device you may get a pop-up window or a message to sign into the network.
What AQI is unhealthy?
An AQI over 150 is considered unhealthy for the general population. AQI over 101 can be unhealthy for sensitive groups and some workers with asthma and other conditions may feel unhealthy when the AQI is below 150.
How does PurpleAir get its data?
Users of PurpleAir can toggle between real-time data and readings averaged over the last 10 or 30 minutes. The data comes from the commercial sensors the company sells, which members of the public install on porches, yards and other neighborhood sites.
Why are PurpleAir and AirNow so different?
Why does the AirNow Fire and Smoke Map look different than the PurpleAir Map? … AirNow identifies potentially malfunctioning sensors based on a comparison of readings from the two fine particle sensors each PurpleAIr sensor contains, or from user reports.
Which air quality Site is most accurate?
Airnow.gov is the gold standard when it comes to knowing the precise measurement of pm 2.5.
How long do purple air sensors last?
The sensor is yours to keep! We ask that the sensor be installed for at least two years but we would appreciate it if you could keep the sensor plugged in for as long as possible.
What is the best air quality app?
- AirVisual. It is the key service in measuring, maintaining, and monitoring the air pollutants at the city level. …
- Breezometer. The users can stay away from lousy air by merely installing the Breezometer. …
- Plume Labs Air Quality. …
- Sh**t! …
- Air Matters.
What is PurpleAir?
PurpleAir is a community air monitoring system of PM (10, 2.5, 1.0) air pollution sensors. … PurpleAir sensors use a fan to draw air past a laser, causing reflections from particles in the air. These reflections are used to count particles in six sizes between 0.3 and 10 micrometers in diameter.
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How accurate is BreezoMeter?
By using sophisticated algorithms to calculate air pollution, BreezoMeter has quickly established itself as the world leader in hyper-local air quality data. The BreezoMeter API provides real-time information covering 5.5 billion people in 67 countries, accurate to within 300 meters.
What do the AQI colors mean?
AQI colors
For example, the color orange means that conditions are “unhealthy for sensitive groups,” while red means that conditions may be “unhealthy for everyone,” and so on.
What are pm2 5?
Fine particulate matter (PM2.5) is an air pollutant that is a concern for people’s health when levels in air are high. PM2.5 are tiny particles in the air that reduce visibility and cause the air to appear hazy when levels are elevated.