Many people are familiar with "Manhattanhenge", where sometime in the summer months, the setting sun lines up with the Avenues of Manhattan. There is also the Reverse Manhattanhenge, in winter, when the sun aligns with the streets when rising. Here we have 42nd street.
The wildfires occurring in the Pacific Northwest and in California in July 2021 did affect the sky quality is Montana. Smoke and haze lingered for days.
