@WooHooQi @MeetJess I saw a CO2 measurement from a full broadway theater the other day, it was 500 (start of show) to 700 (end of show). Overall not terrible. Perhaps they vary, I don't know.
@WooHooQi@MeetJess前几天，我在百老汇的一个剧院里看到了一个二氧化碳测量值，从500（演出开始）到700（演出结束）。总体来说并不可怕。也许它们各不相同，我不知道。