Health Secretary Jeremy Hunt has told ITV News he is "very proud" that NHS hospitals are now publishing staffing levels in every ward on a monthly basis.
A new web page allows patients to hold their local hospital to account by looking at performance indicators.
The measure also means from next year patients will be able to compare staffing levels at different hospitals.
Mr Hunt said publishing more safety data was an "absolutely critical learning point" for the health service following the scandal involving Mid Staffordshire NHS Trust.
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Sunday will be bitterly cold with snow for most.