Heat Index - OSHA NIOSH Tool

Stay safe in the heat with the most comprehensive heat index calculator, built on OSHA and NIOSH guidelines.
Whether you work outdoors on construction sites, in warehouses, or manage crews in the field — this app gives you real-time heat risk levels so you can take action before conditions become dangerous.
WHAT YOU GET:

Real-time heat index calculation based on temperature and humidity
OSHA/NIOSH risk levels: Lower, Moderate, High, Very High, Extreme
Recommended protective actions for each risk level
Location-based weather data with heat forecasts
Push alerts when heat conditions become hazardous
Reference guide to OSHA heat illness prevention standards

BUILT FOR WORKERS & SAFETY MANAGERS:

Construction crews and foremen
Warehouse and factory supervisors
Landscaping and outdoor maintenance teams
Athletic trainers and coaches
Safety officers and OSHA compliance managers

Heat illness is preventable. This app helps you protect your team by putting OSHA and NIOSH heat safety guidelines in your pocket.
From the makers of OSHA Safety Regulations Guide — trusted by over 100,000 safety professionals.