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TOAR shows present-day global ozone distribution and trends relevant to health; public database

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Ozone levels across much of North America and Europe dropped significantly between 2000 and 2014. People living in parts of southern Europe, South Korea and southern Japan and China also experienced more than 15 days a year of ozone levels above 70 ppb. Trends in daily maximum ozone levels (known as 4MDA8) at urban and non-urban sites.

Ozone 255
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UK researchers report that alcohols in windshield washer fluid are major unreported source of VOCs emissions from cars, including EVs

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Scaling of industry sales statistics enabled the discrepancy to be attributed to the use of ancillary solvent products such as screenwash and deicer which are not included in internationally applied vehicle emission methodologies. the products used for “car care,” such as windshield washer fluid.

Emissions 397
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UCI-led study finds California’s strict air quality regulations have helped farmers

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Researchers at the University of California, Irvine and other institutions have conducted a statistical analysis of pollution exposure and yields from 1980 to 2015 on a key sector making up about 38% of the state’s total agricultural output: perennial crops such as almonds, grapes, nectarines, peaches, strawberries and walnuts.

Ozone 186
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Study: consumer products overtake transportation as largest source of VOCs air pollution in cities

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Consumer products such as shampoo, cleaning products and paint now contribute as much to emitted volatile organic compounds (VOCs) in cities as tailpipe emissions from vehicles, according to a new study led by NOAA. 1A) and sales data of volatile chemical products. —McDonald et al.

Pollution 264
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New study puts air-pollution related deaths in India in 2019 at 1.67 million

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billion in economic loss was 1.36% of the country’s gross domestic product, according to the report. and that due to ambient ozone pollution increased by 139.2%. There are similar statistics from Europe, Australia, and Japan. The 2019 death toll attributed to air pollution in India accounted for 17.8% since 1990.

Pollution 321
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Houston-Galveston area to deploy 30 battery-electric delivery trucks

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DOE selected this project to improve local air quality in the Houston-Galveston area, which is currently designated as a National Ambient Air Quality Standards (NAAQS) 8-hour ozone non-attainment area. Each Smith Newton will be delivered with an electric vehicle charging station (EVSE).

Houston 239
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Study finds that cities with highly contiguous built-up areas have on average lower NO2 concentrations

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It is also a precursor to the formation of ground-level ozone and particulate matter, and as a cause of acid rain. Among the other findings of the study were: Urban circularity (“compactness”) is not a statistically significant predictor of NO 2 concentration. The peak occurs at approximately US$30,000 per capita GDP.

Pollution 225