The resulting paintings showed his subjects at various times of day, various weather conditions, and various times of year. This is somewhat analogous to Claude Monet's time-of day series of paintings of haystacks in the early 1890s and of the Rouen Cathedral a few years later. I would think Pissarro had Monet's concept in the back of his mind or even at its forefront when he painted the urban streets in the late 1890s.
Another series of paintings of Paris scenes was made from the Hôtel du Louvre, as mentioned (in Dutch) here with reference to one of those paintings. They all dealt with the place du Théâtre-Français at the intersection of the rue St-Honoré and the avenue de l'Opéra. Readers who have visited Paris have almost certainly been at or near this area.
Some of these are shown below. I've adjusted several of the captions found on the internet in compensation for a lack of a consistent set of titles in French.