Read on Twitter
Although people who live in Boston's urban core contribute fewer CO2 emissions from private vehicles, they experience worse air quality. a thread:
(maps are OC, data is from @MAPCMetroBoston)
(maps are OC, data is from @MAPCMetroBoston)
Areas with low vehicle emissions but poor air quality are, unsurprisingly, closest to the city center: parts of Boston, Cambridge, Chelsea, etc.; as well as parts of Salem, Quincy, and Lynn.
Most of Boston's outer suburbs have good air quality, but high rates of CO2 emissions:
Suburban areas near major roads and highways , particularly I-90 and I-95, have high CO2 emissions but also experience poor air quality.
Within the I-95 ring, some of the more car-dependent neighborhoods and towns have average emission levels but experience worse air quality as well. (background lightened for visibility purposes)
Areas with good air quality AND low emissions (the light gray tracts) are hard to come by, but some inner suburbs have relatively low measures of at least one of the two metrics.
Last: a closeup of the Boston area. yikes for all of us in the red areas
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That's the thread! I used data from https://datacommon.mapc.org--happy to share my methodology if you're curious. 
