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2020 Air Quality Strategy Objective: All Objectives

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Air Quality Strategy Statistics
Southampton Background AURN: Statistics for
The table below shows whether pollution levels recorded at the site you have selected remained within the Government's Air Quality Strategy Objectives in 2020. For further basic statistics click on the button below, or for more precise statistics, use the Statistics Calculator.
Pollutant Objective Was it achieved?
Sulphur Dioxide 125 ug/m3 as a 24 hour mean, not to be exceeded more than 3 times a year YES
Sulphur Dioxide 266 ug/m3 as a 15 minute mean, not to be exceeded more than 35 times a year YES
Sulphur Dioxide 350 ug/m3 as a 1 hour mean, not to be exceeded more than 24 times a year YES
PM2.5 Particulate 25 ug/m3 as an annual mean YES
PM10 Particulate 40 ug/m3 as an annual mean YES
PM10 Particulate 50 ug/m3 as a 24 hour mean, not to be exceeded more than 35 times a year YES
Ozone 100 ug/m3 as an 8 hour mean, not to be exceeded more than 10 times a year NO
* Note that results are excluded where analysers have not returned valid data for at least 90% of the year, unless a short-term objective was exceeded.
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