ASTHMATICS are encouraged to limit their time outside as poor air quality lingers in parts of the district.
Murrumbidgee Local Health District's public health director Tracey Oakman said more people are presenting at the emergency department with breathing difficulties.
"We urge people with asthma or lung conditions to stay in air-conditioned premises where filtration systems can help to reduce smoke particles in the air," she said.
"Smoke may aggravate existing heart and lung conditions and cause irritated eyes, coughing and wheezing."
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Ms Oakman said symptoms could occur for several days after smoke is inhaled, therefore people with chronic respiratory conditions need to be vigilant with their treatment programs.
"If symptoms do not settle, seek medical advice. If you are on home oxygen treatment, continue as prescribed and if breathlessness worsens, contact your doctor," she said.
NSW Health is also distributing one-million P2 masks to hospitals, health facilities, recovery and evacuation centres and pharmacies in affected areas.
When used correctly, Ms Oakman said P2 masks can filter out fine particles, however they require an extremely good fit to work properly and are not suitable for everyone.