Air Quality Monitoring Network Newcastle Spring 2021 seasonal newsletter

Air quality in the Newcastle region was predominantly good during spring 2021. Daily particle levels were within national benchmarks for 93% of the time at Stockton and between 99% to 100% of the time at all other stations. Stockton particle levels typically are affected by sea salt due to the station’s proximity to the coast, and the site recorded the region’s maximum daily PM10 concentration on 93% of days in spring 2021. Hourly particle levels were in the good to fair air quality categories for 97.7% to 100% of the time throughout the region.