The OSHA-NIOSH Heat Safety Tool is a useful resource for planning outdoor work activities based on how hot it feels throughout the day. It has a real-time heat index and hourly forecasts specific to your location. It also provides occupational safety and health recommendations from OSHA and NIOSH.

The OSHA-NIOSH Heat Safety Tool features:

• A visual indicator of the current heat index and associated risk levels specific to your current geographical location
• Precautionary recommendations specific to heat index-associated risk levels
• An interactive, hourly forecast of heat index values, risk levels, and recommendations for planning outdoor work activities
• Location, temperature, and humidity controls, which you can edit to calculate for different conditions
• Signs and symptoms and first aid for heat-related illnesses