|
|
|
|
|
|
by input_sh
640 days ago
|
|
|
Evidence: https://aqicn.org/historical#!city:london Note that this shows Chinese Air Quality Index, which is different than EU AQI, which is different than US AQI, which is different than... you get the point. But at the end of the day they all use the same data. |
|
|