1. Will the room be more humid if we opening the window when it is rainy ?

Yes. It will be even more humid. When it rains, the moisture of the outdoor air is high, and the humidity ratio is also higher. If the window is opened and the air flows into the room, the humidity in the room will also increase. In addition, the air quality is not good when it rains, and there is dust on the road. Pollutants such as silt, sand, etc. are relatively dirty. If you open the window, it will enter the room with the air; and when it rains, the outside temperature is lower, and the indoor temperature is higher. The hot air will condense into water droplets, causing water on the walls and tiles. Beads, food and clothing at home are prone to mold, and people staying in a room where this mold breeds for a long time are also harmful to health. Therefore, it is best to close the windows in time when it rains outside.

2. Will the room be more humid if we opening the window after rain ?

No. In general, the air after rain has high humidity, but the air is fresh and the quality is relatively better. There are also fewer pollutants such as sand and dust outside. In addition, the indoor air is very boring on rainy days and the humidity is high. Wait for the windows to be opened for ventilation after the rain. , Can play a role in improving indoor humidity and replacing fresh air.