purple air readings

Air Quality Index (AQI) Basics -

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

Sep 08, 2020· A couple of weeks ago, the EPA and the Forest Service launched 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 government monitoring devices, all in a single map; the circles represent official government monitors, the ...

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Making Sense of Purple Air vs. AirNow, and a New Map to ...

Sep 04, 2020· Making Sense of Purple Air vs. AirNow, and a New Map to Rule Them All. Bay Area residents have become used to the ritual of checking air quality maps for places to escape wildfire smoke that has wafted over from burning forests and chapparal near and far. During the 2018 Camp Fire, AirNow, an air quality website maintained by a partnership of ...

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How to read and understand air quality numbers and maps

Sep 12, 2020· The Air Quality Index is a number from 0 to 500 that indicates the health effects certain individuals might experience while breathing. The higher the number, the more polluted the air. The AQI is divided into six categories, each assigned a color , from green (under 50, posing little to no risk) to dark red (greater than 300, hazardous for ...

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Understanding PurpleAir vs. Measurements of ...

Oct 04, 2020· Y ou may have noticed PurpleAir and giving different Air Quality Index (AQI) values for your zip code. For example, on August 21st, when I checked these sites, the AQI given on for the 94720 zip code of Berkeley was 107. By contrast, PurpleAir gave values that are in the 130s to 150s.

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Air Quality - Ozone and Your Health | CDC

Air Quality Index (AQI) (AQI) tells you when air pollution is likely to reach levels that could be harmful. You can use the AQI as a tool to help you avoid particle pollution. Local TV stations, radio programs, and newspapers report the AQI. Try checking it when you’re planning your daily activities.

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PurpleAir: 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 (amongst other data), , and PM10. PurpleAir sensors are easy to install, requiring a power outlet and WiFi.

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PurpleAir

PurpleAir sensors measure airborne particulate matter (PM). Particulate matter describes solid particles suspended in air; this includes dust, smoke, and other organic and inorganic particles. PurpleAir sensors use laser particle counters to count the number of particles by particle sizes , , 1, , 5, and 10 μm, and use the count data ...

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