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New statistical method to detect ozone pollution hot spots and monitor instrument failure; combining PCA and MEWMA

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A new statistical method developed by researchers at KAUST (King Abdullah University of Science and Technology, Saudi Arabia) can detect abnormal ozone levels within large bodies of monitored data. The monitoring methods can quickly and accurately detect ozone anomalies—localized spikes in ozone concentration indicated by sensor data.

Ozone 150
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EPA researchers find deaths from air pollution falling over time, but many sectors continue to pose a risk

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Number of premature PM 2.5 - and ozone-related deaths attributable to seven broad classes of sectors in 2016 (thousands of premature deaths). and ozone air quality levels, population exposure and health burden to 23 industrial point, area, mobile and international emission sectors in the Continental US in 2005 and 2016.

Pollution 218
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HEI: 95%+ of world’s population live in areas of unhealthy air

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Seven billion people, more than 95% of the world’s population, lived in areas exceeding the WHO Guideline for healthy air in 2016, according to a new global study. Comparison of 2016 annual average PM 2.5 Population-weighted seasonal average ozone concentrations in 2016. In 2016 a total of 2.5 contributed to 4.1

Pollution 218
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Latest GHG Inventory shows California remains below 2020 emissions target; much steeper rate of GHG reductions required

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California statewide GHG emissions dropped below the 2020 GHG Limit in 2016 and have remained below the 2020 GHG Limit since then. in 2018 (2000-2018 average year-over-year increase is 6.8%), continuing the increasing trend as they replace Ozone Depleting Substances (ODS) being phased out under the 1987 Montreal Protocol.

2020 221
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WMO reports GHG concentrations at highest in 800K years

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Concentrations of carbon dioxide in the atmosphere surged at a record-breaking speed in 2016 to the highest level in 800,000 years, according to the World Meteorological Organization’s Greenhouse Gas Bulletin. parts per million in 2016, up from 400.00 parts per million in 2016, up from 400.00 ppm in 2015. Nitrous Oxide.

2016 186
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EPA proposes new rules to reduce global warming HFC emissions from refrigerants

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Specifically, the proposed rule updates the current prohibition under section 608 of the Clean Air Act against knowingly venting, releasing or disposing of ozone-depleting (ODS) and substitute refrigerants and extends the requirements, as appropriate, to non-ozone-depleting substitute refrigerants, such as hydrofluorocarbons (HFCs).

EPA 150
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EEA report finds most Europeans in cities still exposed to levels of air pollution exceeding WHO guidelines

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20 % of stations registered concentrations above the EU ozone (O 3 ) target value for the protection of human health. Poor air quality continues to damage Europeans’ health, especially in urban areas, with particulate matter (PM), nitrogen dioxide (NO 2 ) and ground-level ozone (0 3 ) causing the largest harm.

Pollution 170