The title could have been won back when Liverpool played City's neighbours United, but failed to beat them inside Old Trafford.
Guardiola said he is proud to Manchester City manager and believes his players have been "awesome" this season en route to winning the title with five games to spare.
A serial victor as a manager with Barcelona and Barcelona, Guardiola ended his first year in England at City without silverware - his only failure to win a trophy since his managerial career started back in 2007.
Instead of City likely clinching the title at home to Swansea next weekend, that game at Etihad Stadium will now be a party and a celebration of one of the Premier League's finest teams which could yet break a slew of records by the end of the season. Manchester City (28 wins) are now just three wins away from this with five games to play. That's Liverpooling more than Liverpool have ever Liverpooled this season.
Mourinho's side twice came close through Romelu Lukaku but they scarcely threatened the Baggies over the course of a turgid 90 minutes.
"I trust in my work".
'I saw lots of people on the moon because we won against Manchester City.
Amanda: Some Sunday showers, but severe weather is over
Be alert for rapidly changing weather conditions and be ready to act quickly if severe weather is observed or a warning is issued. Johns, Putnam and 14 other counties in north and northeast Florida under a tornado watch Sunday until 6 p.m.
But they would also need United to lose to West Brom-who had just three PL wins all season. It was supposed to be a game that would see City stumble again and perhaps suffer a fourth successive defeat, yet they did what all great teams do by winning and winning well.
United should have had a first-half penalty after Craig Dawson caught Ander Herrera, but complacency seeped in and West Brom showed fight under caretaker boss Darren Moore that has been sorely lacking this season.
"I think we were deservedly punished. I knew that sooner or later that would be and if I was in that position I would be very upset if someone said they won the title because Manchester United lost", he said. I think with my experience you don't win titles with inconsistency. But I expect you to be consistent. By the hour mark, Mourinho had brought on attacking players Jesse Lingard and Anthony Martial for central midfielders Ander Herrera and Paul Pogba but things didn't really improve.
Kansas woman found guilty of killing 2 year old girl
She was produced before the Judicial Magistrate First Class (JMFC), Vasco, on Sunday and remanded to five-day police custody. Riess is about 5-feet-5 inches tall, weighs 165 pounds and has brown eyes and light blond hair, authorities said.
UN Security Council meets on Syria strikes
His most recent warning on Twitter early Wednesday said Russian Federation threatened to shoot down US missiles fired at Syria. The State Department says it doesn't know what chemical was used, but says it is confident Syria was responsible.
Former US ambassador talks about Syria attacks
Russia denounced allegations of a gas attack in Douma and said it was staged by Britain to whip up anti-Russian hysteria. He said they were unlikely to curb the government's ability to produce such weapons or launch new attacks.
Tigers, Yankees postpone 1st game of doubleheader
An April 4 postponement against the Kansas City Royals will be made up as part of a day-night doubleheader on April 20. The doubleheader was set because Saturday was rained out, as the weather tries to wipe away an entire weekend of games.