Merge pull request #904 from openaq/cms/help/where-can-i-find-more-da…

…ta-tools-and-resources-on-air-quality Automatically generated. Merged on Netlify CMS.
openaq · Jan 25, 2024 · 908453d · 908453d
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diff --git a/...evelopers/help/where-can-i-find-more-data-tools-and-resources-on-air-quality.md b/...evelopers/help/where-can-i-find-more-data-tools-and-resources-on-air-quality.md
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 * Environmental Defense Fund: [Making the invisible visible: A guide for mapping hyperlocal air pollution to drive clean air action](https://www.edf.org/sites/default/files/content/making-the-invisible-visible.pdf)
 * South Coast AQMD/Sonoma Technology: [Community in Action: A Comprehensive Guidebook on Air Quality Sensors](http://www.aqmd.gov/docs/default-source/aq-spec/star-grant/community-in-action-guidebook-on-air-quality-sensors-(appendices-only).pdf)
 * C40 Cities: [Making the invisible visible: A guide for mapping hyperlocal air pollution to drive clean air action](https://www.c40knowledgehub.org/s/article/Making-the-invisible-visible-A-guide-for-mapping-hyperlocal-air-pollution-to-drive-clean-air-action?language=en_US)
+* Air Sensor Performance Metrics: <https://www.epa.gov/air-sensor-toolbox/evaluation-emerging-air-sensor-performance> 
 
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