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Studies find global COVID-19 lockdowns have significantly reduced PM2.5 and NO2 pollution, but ozone up

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Levels of two major air pollutants have been reduced significantly since lockdowns began in response to the COVID-19 pandemic, but a secondary pollutant—ground-level ozone—has increased in China, according to new research. For comparison, columns over the same time periods are shown for 2019. Bauwens et al.

Ozone 291
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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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The European Environment Agency’s (EEA’s) “ Air quality in Europe — 2019 report ” shows that almost all Europeans living in cities are still exposed to air pollution levels that exceed the health-based air quality guidelines (AQGs) set by the World Health Organization (WHO). term objective was met in only 18% of the stations in 2017.

Pollution 170
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Satellite data show resurgence in NO2 emissions over China

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The Copernicus Sentinel-5 Precursor mission, also known as Sentinel-5P, is dedicated to monitoring air pollution by measuring a multitude of trace gases as well as aerosols. As news of the coronavirus broke out in the Hubei province, China, in late December 2019, stricter measures were put in place. ©ESA/ATG medialab.

Emissions 473
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FCA recalls 850,000+ gasoline vehicles due to problem with catalytic converters

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Fiat-Chrysler of America (FCA) will recall more than 850,000 gasoline-powered passenger cars and SUVs due to a problem with their catalytic converters. NO x emissions in California are the most important contributor to ambient ozone and a key contributor to fine particulate matter pollution (PM 2.5 2012: Q2 2019.

Convert 236
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Northwestern/Princeton study explores air quality impacts of aggressive conversion to EVs

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Researchers from Northwestern University and Princeton University have explored the impact on US air quality from an aggressive conversion of internal combustion vehicles to battery-powered electric vehicles (EVs). This despite evidence that suggests air pollution impacts from the transportation sector exceed those from greenhouse gases. …

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CARB fines Del Monte $2M for violations of OGV at Berth regulation

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It requires anyone who owns, operates, charters, rents or leases any US or foreign-flagged container, passenger or refrigerated-cargo vessel that visits a California port to meet the operational time limits and reduce their power generation fleet-wide, as well as submit statements of compliance.

Ozone 321
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California Air Resources Board posts revised draft of strategy to reduce “Super Pollutants”

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The California Air Resources Board (CARB) has posted a revised draft of California’s proposed Short-Lived Climate Pollutant (SLCP) Strategy. SLCPs are a category of pollutants which remain in the atmosphere for a relatively brief period, but have global warming potentials that are much higher than those of CO 2.

Pollution 150