Residents of Temescal Valley have installed Purple Air particle detectors as part of the South Coast Air Quality Management District's EPA Star Grant program. This site provides information about the program and resources for downloading and analyzing the collected particle data.

• SCAQMD EPA STAR Grant Program
• Air Quality Standards and Information
• PurpleAir Map
• PurpleAir PA-II Sensors
• Downloading Historical PurpleAir Sensor Data
• Download Precompiled Temescal Valley Sensor Data
• Download SCAQMD AQ Details - Historical Data
• Particle Sensor Visualization
• Graphics
• Other Resources
• Python Code
• Frequently Asked Questions
• Contact
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