The US State Department has decided to end its global air monitoring program, DOSAir, due to budget constraints. The program, which previously provided critical air quality data, had been pivotal in improving air conditions in multiple cities worldwide.

Announced the abrupt ending of the air monitoring program due to budget constraints.

Collaborated with the US Embassy in Beijing to install the air quality monitor.

Research professor at Columbia University commenting on the impact of the program's end.

Research scholar at Stanford reflecting on the historical context of air quality tweets.