<prompt> Translate the following text to EnglishUfuniko wa muda mrefu na wa muda mfupi kwa viwango vya mazingira vya uchafuzi wa hewa umehusishwa na hatari iliyoongezeka ya vifo vya mapema.  <response>: Both long and short-term exposures to ambient levels of air pollution have been associated with increased risk of premature mortality. 