Fires in the northern most part of British Columbia are adding smoke to the smoke already being produced by those further south in the province and those in California and Oregon.
I added the VIIRS RGB and hotspot image along side the one with the OMPS AI overlaid on top to, once again, highlight the ability of the AI to show aerosols over clouds. You can see the much larger extent of the cloud than is possible from just the VIIRS image. The smoke appears in all regions of the US and completely across Canada.
You can also see smoke from Russian fires over Alaska and coming down into northwest Canada.