CA Heat Score
California Heat Score Tracker
About
Understand daily heat risk across California with real-time scores, forecasts, and safety guidance. Explore an interactive map and get detailed information for any ZIP code.
What's New in CA Heat Score
1.1.2
April 16, 2026
Minor bug fixes
FAQ
What is the CA Heat Score app?
CA Heat Score provides daily heat risk scores, forecasts, and safety guidance for any California ZIP code. It uses publicly available data to help users understand and prepare for extreme heat.
How accurate is the CA Heat Score data?
The app's heat score data is sourced from the California Office of Environmental Health Hazard Assessment (OEHHA), a publicly available and official source for heat risk information.
Does CA Heat Score have ads?
No, CA Heat Score is ad-free, allowing for an uninterrupted user experience while tracking heat risks.
What devices support CA Heat Score?
CA Heat Score is available for iPhone and iPod devices. It is designed to be accessible on these Apple mobile platforms.
How often is CA Heat Score updated?
The app was last updated on April 16, 2026, indicating ongoing development and maintenance to ensure data accuracy and functionality.
Can I see heat forecasts for more than one day?
Yes, CA Heat Score offers a 7-day heat score and temperature forecast. You can use the built-in date picker on the interactive map to view future heat conditions.
What does the 0-4 scale mean in CA Heat Score?
The 0-4 scale represents the daily heat risk level, with each score corresponding to a clear risk label ranging from Low to Severe. This helps users quickly understand the potential danger.
Is CA Heat Score free to use?
Yes, CA Heat Score is completely free to download and use. There are no in-app purchases or subscription fees required to access its features.