What is the breath of sultry and stuffy?

Meaning:

1. High temperature and low air pressure make people feel sultry and irritable.

2. Weather with little wind, poor air and high temperature.

Example: Mao Dun's Midnight III: "In the afternoon, there are dark clouds all over the sky, which is extremely sultry." Cao Yu's Thunderstorm Scene 1: "It's sultry, and it's likely to rain later."

It's sultry and it's going to rain soon.

A sultry day

sweltering room