PurpleAir
PurpleAir air quality sensor data and downloads on a global map. Not calibrated.
Clarity OpenMap
Clarity Movement’s air quality sensor map, showing real-time readings. Internally calibrated.
Aclima
Aclima’s hyperlocal climate and health data taken throughout the Bay Area.
Public Data Center (BAAQMD)
Air District’s data hub: What you breathe, who they regulate, what they measure, and how to get involved.
Interactive Facilities Map (BAAQMD)
Interactive maps showing air quality forecasts, air quality monitoring data, facilities, and overburdened communities throughout the Bay Area.
CARB Pollution Mapping Tool (CARB)
Mapping tool to look at sources, and analyze emissions of greenhouse gases, criteria air pollutants, and air toxics from facilities around California.
Macro Analysis Tool for comparing and interpreting air sensor and regulatory data (EPA)
Tool that helps users compare data from low-cost sensors with data from regulatory monitors and interpret their results. Includes an instruction guide.
Quality Assurance/Quality Control (QA/QC) Basics
Summary of the most important elements of quality assurance and quality control. View Resource: English Spanish Tagalog Vietnamese
Defining an Air Monitoring Objective by Asking the Right Questions – Worksheet
This worksheet includes specific, step-by-step questions to help you define targeted air monitoring objectives 1 and develop air monitoring approaches to meet those objectives.
Defining an Air Monitoring Objective by Asking the Right Questions – Factsheet
What is the reason for conducting air monitoring? Having well thought out questions about air quality ensures that the data you collect will be meaningful.