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Summertime air quality and climate oscillations

Long-period atmospheric oscillations can have effects on summertime air quality in the Eastern US, based on two studies from Harvard researchers, and these effects can be relevant to air quality management.  The first analysis shows that summertime air quality in the eastern US depends on the sea-surface temperature in the North Atlantic Ocean. Researchers used observations Read More

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Climate penalty on PM

Changing meteorology is anticipated to affect average levels of PM2.5 in the US, according to a modeling analysis by researchers at the Harvard ACE Center. Changes in local and synoptic-scale air circulation between 2000 and 2050, in addition to the resulting changes in natural emissions, are expected to result in annual average PM2.5 decreases of Read More

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Predicting summer ozone

 Summer ozone levels in the Eastern US can be partially predicted in the Spring from large-scale meteorological patterns, such as the Atlantic Multi-decadal Oscillation and tropical Atlantic sea surface temperatures. A statistical model developed by researchers at the Harvard Air Climate & Energy Center  shows that especially high ozone concentrations in the summer months is Read More