How do I get purple air data?

From the PurpleAir map, click the download button in the bottom right corner after selecting an area of interest. Or click on a sensor on the PurpleAir map, then mouse over the ‘Get this widget’ link. A download link will then be displayed for that individual sensor.

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.

Is PurpleAir app free?

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 do PurpleAir numbers mean?

Purple means air quality is very unhealthy.

Is PurpleAir data 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 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.

What is the best site for air quality?

There are a lot of websites that offer a similar set of features without installing anything. Two you should try are BreezoMeter and Aqicn. Both of them provide largely accurate results. As it turns out, Aqicn actually stems from a social enterprise project called The World Air Quality Index Project.

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.

How do I get a PurpleAir API key?

Documentation is at https://api.purpleair.com and please email contact@purpleair.com for keys if you want to play. It includes a cool “groups” feature where you can create your own lists of sensors that you are interested in.

Why is Bellingham air quality unhealthy?

Air quality in Bellingham is now considered unhealthy for sensitive groups due to wildfires in British Columbia.

Why are purple air 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.

How do I reset my purple air sensor?

There is not a button to reset the WiFi network connection. To make the sensor network, AirMonitor_xxxx, visible again you will need to turn off the WiFi network or take the sensor out of range of the WiFi network the sensor is currently configured to.

Why should I buy a purple air sensor?

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.

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?

Why are AQI readings so different?

Update frequency: It is possible that different sources update at different times. This can cause different locations to show different data – some current, some outdated. Update time is listed under the air quality reading on the AirVisual app – and can also be found on the US EPA (AirNow) website.