Places · 2 min read
Monet's London: Parliament in the Fog
February 2025
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Claude Monet went back to London again and again to paint one thing: fog. The Houses of Parliament, the bridges over the Thames, all dissolving into violet and orange haze. More than a century later, scientists found that the haze was partly smoke.

A refugee in 1870
Monet first came to London in 1870, to avoid the Franco-German War. There, with Camille Pissarro, he was introduced to the dealer Paul Durand-Ruel, who later became his dealer.1
He came back as a famous painter. Between 1899 and 1904 he made at least three trips to London for a long series of paintings: the River Thames, Waterloo and Charing Cross bridges, and the Houses of Parliament.1
Painting the air
In these works the buildings almost disappear. As Britannica puts it, atmosphere, more than the buildings themselves, is Monet's subject: bridges and towers become less solid than the brushstrokes that give volume to “the light-filled fog and mist.”1
Their colors and romantic mood recall the Thames paintings of J. M. W. Turner and James McNeill Whistler.1


What the scientists found
In 2023, two researchers, Albright and Huybers, published a study in the Proceedings of the National Academy of Sciences. They measured the contrast in 60 paintings by Turner and 38 by Monet, and compared it with historical sulfur dioxide emissions, an indicator of coal smoke.2
The result: as emissions rose, contrast in the paintings fell, even after accounting for time and subject. Monet's works showed the same shift as Turner's, from crisp outlines toward soft, hazy color.2
That doesn't make the fog paintings mere weather reports. Monet chose to paint the fog again and again. The pollution gave him the subject; what he made of it is still his.

Soft light at home
A hazy, atmospheric city scene softens a room. It suits grey-blue or greige walls and calm spaces: a hallway, a bedroom, a study.
Give it gentle, indirect light rather than a strong spotlight, so the haze stays a haze.
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London, in our light
Four views of the city, from golden dawn to a misty night.



