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What’s the latest with the ozone layer?

Envirotec Magazine

On 16 September, the world marked the International Day for the Preservation of the Ozone Layer. The European Space Agency (ESA) takes a closer look at this year’s ozone hole. The ozone layer in the atmosphere protects Earth from potentially harmful ultraviolet radiation. Ozone depletion is greatest at the South Pole.

Ozone 130
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California’s Advanced Clean Truck Rule is not strong enough to ensure a cleaner future

GreenBiz

A 2019 report shows seven of the top ten most ozone-choked cities in America are in California.

Ozone 151
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Seeking clarity

Envirotec Magazine

m/m3 was exceeded in 43% of all the cities analyzed, while in 2019 this had dropped to only 41%. The cities with the worst increases in this pollutant between 2010 and 2019 are predominantly in India. over 2010-2019. At the same time, Beijing has expanded its monitoring system from 35 stations in 2013 to over 1000 in 2019.

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Covid-19 risk greater in urban centres affected by air pollution

Envirotec Magazine

and ground-level ozone (O?) levels over China in February were 20-30% down on the average February levels expected at this time of year (drawing on data from 2017-2019). Air pollution is the biggest environmental health risk in Europe, with the problem greatest in cities, according to the EEA. In early March, ESA also said PM2.5

Pollution 294
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Air pollution significantly reduces pollination by confusing butterflies and bees

Envirotec Magazine

The study, funded by the Natural Environment Research Council, used a purpose-built fumigation facility to regulate levels of nitrogen oxides (NOx) – present in diesel exhaust fumes – and ozone in an open field environment.

Pollution 182
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The quest for cleaner air

Envirotec Magazine

EEA estimates from 2019 attributed approximately 307,000 premature deaths to fine particulate matter in the 27 EU Member States, with a further 40,400 linked to nitrogen dioxide, and 16,800 to ground-level ozone. and PM10)‎, ozone, nitrogen dioxide, sulfur dioxide and carbon monoxide. trillion, equivalent to 6.1

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Describing pollutant distribution in 3d

Envirotec Magazine

For instance, measurements from 2019 seemingly showed how, on a day with an easterly wind, the polluted air from the busy streets and industrial areas in the southeast of the city is transferred to the west. Complementing satellite measurements. The latter is work in progress. The five-year project will run until 2021. What is MAX-DOAS?

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