And Metrolink is joining in with a special free travel offer for early risers and evening commuters, who can travel for FREE before 7am or after 7pm.
The UK city of Birmingham has announced that it pressing ahead with its Clean Air Zone plans.
A separate report by Global Action Plan, also released on Thursday, found that children are 30 percent more exposed than adults to unsafe pollution coming from vehicles on busy roads due to their shorter height.
Road transport is largely responsible for some of the most unsafe air pollutants in Greater Manchester, including nitrogen dioxide and particulates.
Vehicle exhausts can produce harmful gases and tiny particles of soot and other matter that cause health problems and harm our environment.
Simon Gillespie, Chief Executive of BHF, said: "It's great to have Debbie's support with encouraging action to promote and protect the nation's heart health from the effects of air pollution. I welcome the opportunity to discuss with other council leaders a common position on how the government can help us tackle this further". But the stark truth is, we can't succeed alone.
Alan Ross convener of Dundee city council's community safety and public protection committee said: "There are loads of small changes we can all make that will contribute to cleaner air in our city which when added together make a big difference to raising awareness about Clean Air Day, improving our air quality and with it the quality of our lives". This year I want to see even more people take long-term action.
Clean Air Day is a chance to find out more about air pollution and to help make our environment cleaner for everyone, so there's no reason why kids can't get involved too.
"While walking along quieter roads may help an individual, the United Kingdom needs tighter air pollution limits to prevent the detrimental impact toxic pollutants have on the public's health".
A recent Travel to Work survey conducted by SYPTE with over 2,000 people in South Yorkshire showed that around 60 per cent of the respondents use a private vehicle for some of, or all, their journey to work, but a lot of them (82 per cent) could do some, or all, of their journey by public transport.
However, all four committees have expressed serious concerns over the extent of the Government's commitment to improving air quality and reducing its impact on public health.
Pupils, parents, guardians and school staff were encouraged to walk, cycle or scoot to school and leave the auto at home.