This is a screen shot of NOAA’s “Vertically Integrated Smoke” from about an hour ago. Click to enlarge.

From NASA:

“Vertically integrated smoke” depicts all of the smoke in a vertical column, including smoke high in Earth’s atmosphere. That is the smoke you see at sunrise and sunset.

I live outside Philadelphia and we experienced brownish hazy skies this morning. Amazing how far this travels. It must be a nightmare for people living inside it.

For more detailed and up-to-date data, go here:
National Oceanic & Atmospheric Administration (NOAA), Earth System Research Laboratory, High Resolution Rapid Refresh (HRRR) Smoke Model Fields