For me, crammed into a bus/train isn't that bad, provided that A/C is run at full blast and the direction of airflow is top->down. This means that winter commut

For me, crammed into a bus/train isn't that bad, provided that A/C is run at full blast and the direction of airflow is top->down. This means that winter commutes by public transit in the northeast is absolutely miserable, since they never ever turn on the A/C to dehumidify the space, even if humidity is close to 100%.