Current air quality readings of between 170 and 179 in the region are listed as 'very poor' by the NSW Department of Planning, Industry and Environment (DPIE).

The readings are however less than than the hazardous readings the region experienced on Thursday.

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With 'very poor' air quality, the DPIE recommends people with heart or lung disease, older people and children should avoid exercising outdoors.

"Everyone else should reduced prolonged or heavy exertion," the DPIE states.

"If you have symptoms, rest and use you reliever medication. If symptoms persist seek medical advice."

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Western NSW Local Health District public health manager Priscilla Stanley told Australian Community Media that people should to be vigilant about their health during reduced air quality.

She said the fine particles in smoke can irritate the respiratory system and aggravate existing lung and heart conditions.

"For most people, smoke causes mild symptoms like sore eyes, nose and throat. However, people with conditions like asthma, emphysema and angina are more likely to be sensitive to the health effects of smoke," Ms Stanley said.

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"People with these conditions should avoid outdoor physical activity when there's smoke around."

People with asthma should follow their Asthma Action Plan and have their relieving medication with them and in case of emergency always remember to dial triple-0.

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