PurpleAir

Description

"PurpleAir makes sensors that empower communities who collect hyper-local, real-time, air quality data and share it with the public."

Questions this resource can help answer

What are the ambient concentrations of PM or ozone as reported by Purple air sensors in my city?

How do I use this resource?

Regardless of whether you're operating a Purple air sensor, or just using their published data, the site provides a spatial and temporal depiction of Particulate matter, PM2.5 and ozone concentrations throughout the US–including those reported by your own monitor.

Pro tips

Resource information

Resource owner

Format

Website

Backup URL

Update Frequency

Real-time

Geographic Coverage

Global

Technical specifications

Methodology

Privately owned Purple air sensors report data, which is then made available to the public

Sectors

Other Specifications

Site indicates sensors evaluated by SCAQMD: https://www.aqmd.gov/aq-spec/evaluations/summary-table#~:test:=PurpleAir

Related resources

Air quality data

NOAA Air Resources Laboratory

The ARL site is a scientific research and modeling portal. Its mission is to improve the Nation’s ability to protect human and ecosystem health by studying the physical and chemical processes occurring from the soil up to about 2–3 miles in the atmosphere. It is the birthplace of the HYSPLIT model, the global standard for tracking the movement of air parcels.

Air quality dataAir quality managementWildfire smoke

AQview: Community Air Quality Viewer

Air quality maps, trends viewer, a downloadable tool and lab data. From the website: "AQview is a community-focused air quality data portal bringing together government and community-led air monitoring data to a single platform. Our primary goal is make it easier to access, understand, and use air quality data collected from the wide range of monitoring efforts occurring across California."

Air quality dataCommunicationsHealth impactsProgram evaluation

Air Quality through Urban Actions (AQUA) tool

The AQUA tool is an easy-to-use excel spreadsheet model that city staff can use with minimal guidance. It uses population, exposure, health and economic cost data, as well as epidemiologic evidence to help users calculate how emission changes can benefit local air quality and health.

Air quality dataAir quality management

Atmospheric Composition Analysis Group

Atmospheric Composition Analysis Group applies satellite observations, global models, and in situ measurements to improve understanding about the processes controlling air quality, climate, and biogeochemical cycling

Air quality dataAir quality managementEnvironmental justiceEquityHealth impactsTransportation

Using Spatial Data to Build an Equitable Sensor Network

"Case study seeking to address a critical question: Where should D.C. strategically place new sensors to build an equitable network?"

Air emissions dataAir quality dataAir quality managementCommunicationsDemographic dataHealth impactsTransportationVulnerability data

Resilience, Air Quality, and Sustainability Analysis Tools

This page provides resources for measuring transportation greenhouse gas emissions and air quality impacts, and incorporating climate adaptation and resilience features as they relate to a proposed project.