New York Air quality is about twice as bad as the second worse city in the world. It is beyond the threshold for threatening.
New York’s air quality reaches “hazardous” level, by far the worst in the world
https://arstechnica.com/science/2023/06/wildfire-smoke-and-haze-in-the-eastern-united-states-should-peak-this-week/
Wildfire smoke conditions worsened across much of Northeast US on Wednesday.