article_snippet.sent: Can you smell when it's going to rain?
article_snippet.sent: Air pressure falls and humidity increases when Air pressure is about to rain, and our noses act like a barometer, picking up these subtle changes in the air.
article_snippet.sent: Humidity makes smells more intense.
article_snippet.sent: The smell gets stronger still when rain starts to fall, as droplets of water will pick up molecules from the surface they hit – such as grass or dirt – and carry they into the air.