Air quality updates during Covid19 level restrictions

Changes in New Zealand air quality due to COVID-19 level restrictions.

Changes in New Zealand air quality due to COVID-19 level restrictions.

Issues

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    Air quality update 9. Level 3 to Level 2

    Changes in NZ air quality during COVID-19 level 3 restrictions. Update: Thursday 10th September 2020.

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    Air quality update 8. End of level 3 restrictions

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    Air quality update 7. End of level 4 restrictions

    Changes in NZ air quality due to COVID-19 level 4 lockdown. Air quality update 7 for Tuesday 28 April 2020. End of level 4 restrictions.

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    Air quality update 6. Week four of level 4 restrictions

    Changes in NZ air quality due to COVID-19 level 4 lockdown Update 6 – fourth full week of level 4 restrictions for Thursday 23rd April 2020

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    Air quality update 5. Week three of level 4 restrictions.

    In week 3 levels of oxides of nitrogen (or NOx, representing mainly vehicle exhaust pollutants) in our major cities fell even further, with reductions of 83 – 91 % relative to normal at most sites.

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    Air quality update 4. Week two of level 4 restrictions

    The large reductions in traffic pollution in our major cities seen during week 1 of lockdown have been maintained during week 2.