Virus and favourable weather delivers clear skies over Sydney | p_hannam
Take a deep breath Sydney because your city's air hasn't been this clean since the end of 2017 with the coronavirus contributing to the drop in air pollution.
Average monthly figures measuring particulates of 2.5 microns or smaller - millionths of a metre - fell sharply in February and March from the previous months, according to the Environment Energy and Science unit of the Environment Department.In sites such as Randwick in the east, Macquarie Park in the north and Liverpool in the south, readings averaged between 4-6 per cubic metre in those two months, compared with 20-30 or higher in December when bushfires raged near the city.
"An assessment of recent carbon monoxide pollution for 1 March to 8 April at sites in Sydney, Newcastle and Wollongong show some reduction in pollution when compared to the same weeks in previous years," he said. "CO levels in NSW are well below national standards and there are many periods where the monitoring instruments are measuring at or near their minimum detection limit [of] 0.05 parts per million.
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