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