purple air quality site

Different air quality measurements are confusing, so what ...

08-09-2020 · During the Camp Fire, AirNow, an air quality website created by a partnership of states, the federal government, Canada and Mexico, crashed because it could not handle so many people flocking online to put numbers to what their noses were telling them: The air smells really bad. The failure sent web users rushing to alternative, unofficial websites like the interactive, crowdsourced map ...

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Air Quality Index Color Code Guide

Purple. Very Unhealthy. 201 to 300. Maroon. Hazardous. 301 to 500. As you can see, each color also corresponds to a range of Air Quality Index Values. You can think of the AQI as a yardstick that runs from 0 to 500. The higher the AQI value, the greater the level of air pollution and the greater the health danger. For example, an ...

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‎EPA AIRNow on the App Store

This app (and its website) says that the current air quality is still only 50's aqi?! I cross-referenced with some Purple air sensors (aka community provided sensors), and the sensors near my house seem to be reporting a way-more accurate aqi of 150+.

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PurpleAir | Real Time Air Quality Monitoring

A proven air quality monitoring solution for home enthusiasts and air quality professionals alike Using a new generation of laser particle counters to provide real-time measurement of PM1.0, PM2.5 and PM10. PurpleAir sensors are easy to install and only require a power outlet and WiFi. They use WiFi to report in real time to the PurpleAir …

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Air Quality Index (AQI) | AirNow.gov

Celebrate Air Quality Awareness Week 2021-05-03. This week, May 3-7, is Air Quality Awareness Week (#AQAW2021)! Visit our AQAW site for information on air quality and health, and check out some tools, resources, and educational materials that EPA and partner organizations have been working on.

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Air Quality Index (AQI) Basics - AirNow.gov

Think of the AQI as a yardstick that runs from 0 to 500. The higher the AQI value, the greater the level of air pollution and the greater the health concern. For example, an AQI value of 50 or below represents good air quality, while an AQI value over 300 represents hazardous air quality.

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Understanding Purple Air Data - The Davisite

15-11-2018 · 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. One exciting development is a "a pilot project of what some may consider to be the Holy Grail of air quality maps: combined readings taken from PurpleAir’s low-cost sensors and those from official ...

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Understanding Purple Air Data - The Davisite

15-11-2018 · 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. One exciting development is a "a pilot project of what some may consider to be the Holy Grail of air quality …

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PurpleAir Air Quality Program | Ligonier Valley Library

The Purple Air records a range of particulate matter on a continuous basis throughout the monitoring period in µg/m3. This online data base and mapping tool is now available to Ligonier residents.' Ligonier residents can now get real time and daily/weekly averages for Air Quality in Ligonier online by going to: Real-time air quality map ...

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