Over one million people are expected to attend the two-day event.
The Notting Hill Carnival honours London's Afro-Caribbean culture in an area which was home to thousands of immigrants to Britain from the Caribbean in the 1950s onwards.
But in recent years, many have moved out of Notting Hill due to soaring property prices as it became one of London's most fashionable districts, popular with wealthy foreigners.
The area's modern bohemian charm was captured in director Richard Curtis's 1999 romantic comedy "Notting Hill".
Sunday is children's day at the carnival while the main event takes place on Monday, a public holiday in England.
"Carnival is a wonderful celebration and highlights what the Caribbean community does for London," said London mayor Boris Johnson.
"I hope everyone has a fantastic time and a truly great event."
Police said 6,000 officers were on duty at the event, and 95 arrests were made by Sunday night.
Arrests were made for theft, assault, drug and public order offences, while five people were arrested for possession of an offensive weapon.
"Carnival very much presents us with two extremes; those who want to enjoy the sound systems, cuisine and have a good time and those who use it as an opportunity to commit crime," said police chief superintendent Robyn Williams.
In the build-up to the carnival, Scotland Yard police arrested 157 people in a crackdown on gang crime ahead of the carnival, and seized weapons including two machine guns and a hand gun.
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The Notting Hill Carnival honours London's Afro-Caribbean culture in an area which was home to thousands of immigrants to Britain from the Caribbean in the 1950s onwards.
But in recent years, many have moved out of Notting Hill due to soaring property prices as it became one of London's most fashionable districts, popular with wealthy foreigners.
The area's modern bohemian charm was captured in director Richard Curtis's 1999 romantic comedy "Notting Hill".
Sunday is children's day at the carnival while the main event takes place on Monday, a public holiday in England.
"Carnival is a wonderful celebration and highlights what the Caribbean community does for London," said London mayor Boris Johnson.
"I hope everyone has a fantastic time and a truly great event."
Police said 6,000 officers were on duty at the event, and 95 arrests were made by Sunday night.
Arrests were made for theft, assault, drug and public order offences, while five people were arrested for possession of an offensive weapon.
"Carnival very much presents us with two extremes; those who want to enjoy the sound systems, cuisine and have a good time and those who use it as an opportunity to commit crime," said police chief superintendent Robyn Williams.
In the build-up to the carnival, Scotland Yard police arrested 157 people in a crackdown on gang crime ahead of the carnival, and seized weapons including two machine guns and a hand gun.
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