The Southern China residents experienced excessive dampness when relative humidity reached 100% according to the Guangdong Meteorological Bureau. Moisture has spread through southern cities, accumulating on ceilings and leaving houses flooded.
The air is saturated with moisture, resulting in fog and clouds when water vapor condenses. This high humidity resulted in slick flooring, water droplets on ceilings and walls, and an overall wet ambiance. The rise in humidity is due to warm and humid maritime airstreams from the south in the spring, which can create condensation on various surfaces as warm air meets lower temperatures along Guangdong province's coast.
According to the Hong Kong Observatory “a northeastern monsoon is forecast to approach the city, bringing cooler air from Asia and lowering humidity levels. This change in wind direction would result in lower temperatures and a shift from southerly to mild northerly winds, reducing the region's high humidity levels. Furthermore, health experts warn that abrupt temperature and humidity variations can have an influence on health, potentially exacerbating allergies and making transmissible diseases more infectious, particularly among susceptible groups such as the elderly and children.”
This is not only an environmental issue, According to Awair, 100% humidity can have a variety of health consequences, ranging from heat-related illnesses and dehydration to worsening respiratory disorders, skin and hair, high humidity can lead to skin concerns such as excessive sweating, which can be painful and moisture in the air can also cause frizzy hair. Extreme humidity might have an impact on sleep quality, the high humidity can create congestion and increase allergy symptoms at night, while low humidity can dry up the throat and nose, resulting in disturbed sleep patterns.
Excess moisture in the air can interfere with the body's cooling systems, causing dehydration and overheating. When humidity is high, the body struggles to cool down efficiently, potentially producing muscle cramps, headaches, dizziness, elevated heart rate, and lethargy, which are early symptoms of heat exhaustion. High humidity can aggravate respiratory problems and can worsen respiratory diseases such as asthma.
The thick, moisture-laden air can make breathing difficult, increasing the likelihood of asthma episodes. Furthermore, increasing humidity promotes the growth of mold spores and other triggers, which can worsen the symptoms of asthma. This is both an indoor and outdoor environmental concern that the people in Southern China need to watch out for.
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