A dense crowd fills the length of a wide Parisian street, seen from above, their dark forms packed tightly together and animated by dashes of color that suggest hats and clothing. Both sides of the street are lined with tall, multi-story buildings, their facades almost hidden beneath a profusion of fluttering French flags painted in quick, energetic strokes of blue, white, and red. The flags dominate the upper half of the composition, streaming out from windows and balconies in every direction, some caught mid-air as if waving in a breeze, creating a sense of movement and festivity.

The brushwork is loose and vibrant throughout, with rapid, broken strokes that blend the forms of people, flags, and architecture into a shimmering whole, characteristic of the Impressionist approach. Small details emerge on close inspection: yellow dabs hint at sunlight on heads or hats, while the facades of the buildings are suggested rather than described, their windows and balconies barely indicated by vertical and horizontal marks. The entire surface is alive with color and energy, as if capturing a fleeting moment of collective excitement.

The sky above the street is painted with soft blues and whites, with patches of pale clouds breaking up the expanse and lending an airy backdrop to the scene. In the upper left and right corners, the flags appear more abstract, rendered with thick, sweeping strokes that almost blend into the facades and sky. The lower right corner contains a large, shadowy area where the colors darken, suggesting a patch of shade cast across the crowd.

Some windows on the buildings are just visible as faint, vertical lines, with hints of yellow and ochre suggesting sunlight catching on stone or glass. Throughout the painting, the paint is applied in visible, textured layers, with short, choppy marks outlining the mass of people and longer, fluid lines defining the fluttering flags. The subject is the rue Montorgueil, a central Parisian thoroughfare, shown here transformed by patriotic decorations and throngs of people. La Rue Montorgueil belongs to the Impressionism movement, as seen in Monet's use of rapid brushstrokes, vibrant color contrasts, and a focus on capturing the fleeting effects of light and atmosphere.