Full Notification

Notification issued 05-18-2026 at 03:31 PM.

The National Weather Service has issued:   

What: Heat Advisory   

Where: NYC   

When: 11:00 AM on 5/19 to 8:00 PM on 5/20   

Hazards: Heat index values up to mid to upper 90s. These conditions are dangerous to health. People without air conditioning, older adults, people with chronic health conditions, and people working outdoors are most at risk. More info: www.NYC.gov/beattheheat 

In addition, the NYS Department of Environmental Conservation has issued:   

What: Air Quality Health Advisory    

Where: NYC   

When: Tomorrow, 5/19   

Hazards:  Active children, adults, and people with lung disease such as asthma, should reduce prolonged or heavy exertion outdoors. More info: https://bit.ly/4mqpXau  

For more information and safety tips on outdoor air quality, visit www.NYC.gov/airquality