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EPA, San Diego County Air District monitoring PM2.5 at San Ysidro border crossing

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The US EPA and San Diego County Air Pollution Control District (SDAPCD), in cooperation with US Customs and Border Protection and the US General Services Administration have installed a new air pollution monitor at the San Ysidro Port of Entry. vs. non-border commuters. vs. non-border commuters. Galaviz, M.G.

San Diego 150
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Study finds automatic monitors significantly improve the quality of pollution data reported in China

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A new study finds that automated pollution monitors in China led to more accurate readings and that citizens used this information to protect themselves better against the harms of air pollution. The central government knew it needed to improve air quality, but that it would be impossible without knowing true pollution levels.

Pollution 191
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Portable sensors enable monitoring of pollution on smart phones; inferring pollution maps with greater granularity

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EPA AQI map of the San Diego County region,with a box added to. Boxes represent pollution reading locations during that window. The CitiSense sensors detect ozone, nitrogen dioxide and carbon monoxide, the most common pollutants emitted by cars and trucks. For example, San Diego County has 3.1 Nikzad et al.

Pollution 236
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Environmental groups sue San Diego Association of Governments over $214B Regional Transportation/Sustainable Communities plan; first regional plan under SB 375

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The Cleveland National Forest Foundation and the Center for Biological Diversity filed a lawsuit in the San Diego Superior Court against the San Diego Association of Governments (SANDAG), challenging SANDAG’s $214-billion 2050 Regional Transportation Plan/Sustainable Communities Strategy (2050 RTP/SCS). Click to enlarge.

San Diego 210
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Air pollution exposure in second trimester may increase asthma risk in children

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Children who are exposed in utero to high levels of particulate air pollution during the second trimester of pregnancy may be at greater risk of developing asthma in early childhood, according to a new study presented at the 2014 American Thoracic Society International Conference in San Diego. The study included 430 full-term (?37

Pollution 240
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Carnegie study finds climate impact of particulates varies greatly depending on where the pollution originated

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million National Science Foundation project with collaborators at UC San Diego and Stanford University that looks at the combined climate, health, and decision-making dimensions of greenhouse gases in comparison to shorter-lived pollutants like aerosols. This work is part of a larger $1.5-million

Climate 170
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Food Express takes delivery of first 11 of 46 new ultra-low emission natural gas trucks

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Funding was received from the Prop 1B program administered by the San Joaquin Valley Air Pollution Control District and the California Hybrid and Zero-Emission Truck and Bus Voucher Incentive Program (HVIP). The purchase of 46 new trucks represents about 50% of FXI’s California fleet.

Gas 218