The Hackney-born rapper's fifth studio release sold over 153,000 copies in its first week, just 1% less than the total achieved by 2011's fastest-selling single so far, 'What Makes You Beautiful' by One Direction.
This week's runner-ups Labrinth and Tinie Tempah also post impressive seven-day sales of 115,000 copies for their latest team-up 'Earthquake', while previous number one 'We Found Love' by Rihanna and Calvin Harris settles in at three.
Elsehwere, Kelly Clarkson boosts two to four with 'Mr Know It All' and Charlene Soraia dips to six with The Calling favourite 'Wherever You Will Go'
Rizzle Kicks, meanwhile, debut at eight with 'When I Was A Youngster', last week's runner-up 'Lightning' by The Wanted crashes to nine and Gym Class Heroes complete the Top 10 with their Adam Levine team-up 'Stereo Hearts', which is down five.
Christina Perri's X Factor-fuelled return to the Top 10 ends as 'Jar Of Hearts' drops four to 11, while Ed Sheeran zooms in the opposite direction with 'Lego House', at 12 from last week's 18.
Lana Del Rey drops six to 15 with 'Video Games', landing between new entries 'Paradise' from album chart champions Coldplay and 'You Make Me Feel' by Cobra Starship at 14 and 16 respectively.
Meanwhile, 'Got 2 Luv U' by Sean Paul and Alexis Jordan tumbles six to 17, Bruno Mars scores a new entry at 19 with 'Runaway Baby' and Ed Sheeran appears again to wrap up the top half of the chart with 'The A Team', which is down six from 14.
The Top 10 in full:
1. (-) Professor Green ft. Emeli Sandé: 'Read All About It'
2. (-) Labrinth ft. Tinie Tempah: 'Earthquake'
3. (1) Rihanna ft. Calvin Harris: 'We Found Love'
4. (6) Kelly Clarkson: 'Mr Know It All'
5. (4) Maroon 5 ft. Christina Aguilera: 'Moves Like Jagger'
6. (3) Charlene Soraia: 'Wherever You Will Go'
7. (8) LMFAO: 'Sexy And I Know It'
8. (-) Rizzle Kicks: 'When I Was A Youngster'
9. (2) The Wanted: 'Lightning'
10. (6) Gym Class Heroes ft. Adam Levine: 'Stereo Hearts'
Source: Official Charts Company
> This week's albums chart
> Read Digital Spy's recent interview with Professor Green here
View the latest Official Top 100 Singles Chart