---
title: "OSHA-NIOSH Heat Safety Tool — App Overview"
url: https://marlvel.ai/apps/gov-cdc-heatapp
category: Weather
developer: Centers For Disease Control and Prevention
platforms: ios
rating: 2.5 (294 ratings)
pricing: free
report_level: overview
generated: 2026-04-19
last_verified: "2026-04-19T01:20:29.375Z"
---

<!-- SECTION: Key Insight -->
> **Key Insight:** While the app is a valuable safety resource for outdoor workers, users report intermittent technical stability issues during peak heat periods.

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| Metric | Value |
|--------|-------|
| Category | Weather |
| Rating | 2.5 ★ (294) |
| Pricing | free |
| Platforms | iOS |
| Latest Version (iOS) | 3.7 |
| Developer | Centers For Disease Control and Prevention |

<!-- SECTION: Summary -->
## What is OSHA-NIOSH Heat Safety Tool?

The OSHA-NIOSH Heat Safety Tool is a government-provided resource designed to help outdoor workers monitor heat-related risks. It provides real-time heat index data, hourly forecasts, and safety recommendations based on specific geographical locations.

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## Key Features

- **Real-time Heat Index**: Provides a visual indicator of current heat index and associated risk levels based on the user's location.
- **Interactive Hourly Forecast**: Offers hourly heat index values and safety recommendations to assist in planning outdoor work in advance.
- **Variable Condition Controls**: Allows users to manually edit location, temperature, and humidity settings to calculate heat risk under specific conditions.
- **Health Symptom Guide**: Lists signs and symptoms for heat-related illnesses such as heat stroke, heat exhaustion, rhabdomyolysis, heat cramps, and heat rash.

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## Who is it for?

Outdoor workers and safety managers who need to plan activities based on heat index and environmental conditions.

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## Links

- [App Store](https://apps.apple.com/us/app/osha-niosh-heat-safety-tool/id1239425102?uo=2)
- [Full Intelligence Report](https://marlvel.ai/apps/gov-cdc-heatapp)

---
*This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/apps/gov-cdc-heatapp).*
*Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*