Sydney air pollution alert issued as temperature heads to 38C

High ozone levels trigger air quality alert with health department warning asthma sufferers to be prepared and limit exposure An air pollution alert has been issued for Sydney residents due to a high level of ozone, already exceeding government standards for the entire year.The NSW Office of Environment and Heritage put the air-quality forecast for Sydney’s metropolitan area on Tuesday as “poor”, denoting a score of 100-149 on the Air Quality Index (AQI). “Hazardous&rdquo