SwirlyGrrl looked up while on the 5:10 p.m. ferry from George's Island.

Some appropriate music to contemplate the photo by.

Matt Frank watched the sun setting behind the Tobin Bridge, "filtered behind clouds and wildfire smoke."

Mark Smith watched the storm clouds roll in over Roslindale Square this afternoon (the Municipal Building and the Greater Roslindale medical clinic building in the lower left).

Louise Miller watched the ominous clouds moving over Boston around 1:15 p.m.

Roving UHub photographer Pat Quintin files this snap of a cloudbow from a Green Line trolley between Lechmere and Union Square this afternoon

Matt Frank watched the sun go down over clouds, the Mystic River, the Tobin Bridge and birds this evening.

Yesterday's sunset.

Mary Ellen was among the people who went over to Millennium Park in West Roxbury for a viewing of tonight's supermoon. The clouds didn't deter the moon and the mosquitoes didn't deter its watchers.

Maria Daniels, in Harvard Square, was one of many people who looked up after the rain stopped this evening.

In Jamaica Plain, Handmaid saw the rainbows, too, but also a still angry cloud: Read more.

The state Department of Environmental Protection has issued an air-quality alert for Massachusetts, which runs through midnight, due to smoke from wildfires in Quebec and Ontario. Read more.

Matt Frank watched a jet depart Logan through nature's homage to the Golden Girls opening credits by way of haze from the continuing wildfires in western Canada.