[BostonCard]

I know the air has improved significantly since the rains last week, but I thought this article on AQI and purple air would be helpful to this discussion.

https://www.extremetech.com/electronics/...dium=title

And this is a cool map that plots AQI around the world:

http://aqicn.org/here

Here's the bay area's detailed analysis (including the temporal trend):

http://aqicn.org/city/california/san-fra...as-street/

BC

[BostonCard]

I know the air has improved significantly since the rains last week, but I thought this article on AQI and purple air would be helpful to this discussion.

https://www.extremetech.com/electronics/...dium=title

And this is a cool map that plots AQI around the world:

http://aqicn.org/here

Here's the bay area's detailed analysis (including the temporal trend):

http://aqicn.org/city/california/san-fra...as-street/

BC