ZAMBOANGA CITY, Oct. 16 -- The City Health Office (CHO) here asked residents on Friday to take precautions during periods of haze or poor air quality.

"Haze may contain fine particles that irritate the eyes, nose and throat, cause coughing and difficulty breathing, and worsen existing heart and lung conditions," the CHO said in its advisory.

The CHO said children, older adults, those who are pregnant, and people with asthma or other heart and lung conditions are especially vulnerable.

It added that people with asthma or other chronic conditions should follow their treatment plans and keep prescribed medicines accessible.

Outdoor workers, drivers, vendors and commuters should also reduce prolonged exposure.

"Consult your nearest bara...